MALICIOUS
312
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file is identified as malicious by multiple heuristics, including a critical finding for a malicious redirector link and a brand impersonation lure for UPS credential phishing. The document contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to distribute malicious content. The ML classifier also strongly indicates maliciousness. The embedded URLs and the nature of the heuristics point towards a phishing attack aiming to steal user credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://mixidesurujof.weebly.com/uploads/1/3/4/9/134902607/temopagugofemodosug.pdf.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://crophysi.ru/wix?keyword=play+store+apkmirror+gingerbread In PDF document text
- https://cdn.sqhk.co/gajamomol/giT7giA/79355087929.pdfIn PDF document text
- https://cdn.sqhk.co/galuladoxaka/G8gcjgu/oscar_grant_daughter_age.pdfIn PDF document text
- https://cdn.sqhk.co/wofetewa/3TgfjbD/lilekuramapemu.pdfIn PDF document text
- https://cdn.sqhk.co/zuxedanafowa/WQmogd0/47428838295.pdfIn PDF document text
- https://mixidesurujof.weebly.com/uploads/1/3/4/9/134902607/temopagugofemodosug.pdfIn PDF document text
- https://cdn.sqhk.co/lijuwezasip/hgRjfCt/starcraft_2_cheats_heart_of_the_swarm.pdfIn PDF document text
- http://govovimifakine.mywebcommunity.org/who_is_apex_predator_1.pdfIn PDF document text
- http://ruvinowuge.scienceontheweb.net/fipalelawuviragafopibuzaw.pdfIn PDF document text
- https://cdn.sqhk.co/bujasugawo/iKyKqjf/pixel_art_dinosaur_gif.pdfIn PDF document text
- https://cdn.sqhk.co/busoleva/M5yPhjB/jafoxakexabisatevuvu.pdfIn PDF document text
- https://cdn.sqhk.co/berazanoga/FYhjegh/uefa_champions_league_results_for_yesterday.pdfIn PDF document text
- https://xujokutiw.weebly.com/uploads/1/3/4/7/134749543/9043981.pdfIn PDF document text
- https://cdn.sqhk.co/fofubulami/5Nfhcs5/lebukukagogowexaj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://mepitar.atwebpages.com/how_to_learn_plc_at_home.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/28dc2a6f-6a33-448a-ad8e-3660a4bf972b/will_there_be_a_sequel_to_the_cursed_child.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/827da51f-d3eb-4c79-a9bd-481118e64b8d/nimofabutud.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eb5bbec6-af50-4d98-becd-ca6e2adbfc0c/the_disaster_artist_film_imdb.pdfIn PDF document text
- https://s3.amazonaws.com/gekixadonuru/18535397094.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c20384ad-480c-4ad9-992e-46ab26d55b8a/56235165856.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d82c50dd-9648-4a97-a093-bb5ea5ad346d/q_see_16_channel_dvr_costco.pdfIn PDF document text
- https://s3.amazonaws.com/jeromisixinolib/fugimokemutobon.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e045.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE045 | 5584 bytes |
SHA-256: 675d6c298dfd7aae78ca48bf399e883105170d06ff587af1edf3aaaed40b70c4 |
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font_01_sfnt_off0000f339.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF339 | 10740 bytes |
SHA-256: 2ab02b58cb1ccec5ac097280b854371d3d6e1f695b6cd425ba612e19ae72ef11 |
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