MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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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External URI info PDF_URIPDF contains an external URL action
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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://infrive.ru/pbw?utm_term=what+type%2528s%2529+of+intermolecular+forces+are+present+in+liquid+water PDF link annotation
- https://kavafarosodox.weebly.com/uploads/1/3/4/0/134097584/kosus.pdfIn PDF document text
- https://gigomafokat.weebly.com/uploads/1/3/4/7/134717504/wumanixuz-vifawatuz-sugika-gagukonodil.pdfIn PDF document text
- https://dupevolorimix.weebly.com/uploads/1/3/4/5/134588768/favugivopu.pdfIn PDF document text
- https://wuwudaxu.weebly.com/uploads/1/3/4/4/134493329/mexobamuka.pdfIn PDF document text
- https://fiwigerisen.weebly.com/uploads/1/3/1/4/131408459/tugawejesomilu.pdfIn PDF document text
- https://nisivijuwowog.weebly.com/uploads/1/3/0/8/130813757/750962.pdfIn PDF document text
- https://gaxizizobepebi.weebly.com/uploads/1/3/0/7/130740618/6514378.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://lakobun.pbworks.com/f/41699853169.pdfIn PDF document text
- http://lekipirunezi.pbworks.com/f/28982318961.pdfIn PDF document text
- http://nafidob.pbworks.com/w/file/fetch/144619272/download_dragon_ball_z_tenkaichi_tag_team_psp_game.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/29b0bc00-33d4-4716-b983-cfa985ced586/12470081928.pdfIn PDF document text
- http://wenuveraroto.pbworks.com/w/file/fetch/144529713/4564644245.pdfIn PDF document text
- http://rugewenuzed.pbworks.com/f/12412311865.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2158c2bc-88da-4384-9929-683d3f47c2fe/blue_and_white_christmas_ornaments_walmart.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d433f0d6-f41e-4839-a1e9-be51a1b61dba/older_snapper_riding_lawn_mower.pdfIn PDF document text
- http://mibegenav.pbworks.com/f/how_to_search_source_code_in_github.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ed4bef47-b59d-464e-b32a-69e74f024a7b/how_to_percentage_data.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/434da20f-4889-45a8-9c0c-1ba7b7a20d46/onkyo_tx-nr616_specs.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/03cc706d-8ff1-44b5-8cf8-4fdb3d239113/76845873601.pdfIn PDF document text
- http://nusuwoxub.pbworks.com/f/58577706277.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4c4ec125-e156-4c58-9432-34d94c47c1d5/gimulapotosopet.pdfIn PDF document text
- http://fufitan.pbworks.com/w/file/fetch/144668553/what_is_race_condition_explain_with_example.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1eb8f319-f04e-4553-ab26-93db0c45cbaf/lulapukafesutumenabox.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6ff8793e-1b81-40af-979c-5816de143a80/the_monkeys_paw_foreshadowing_quotes.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_off00013243.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13243 | 5880 bytes |
SHA-256: 1637544c6de61ed331e5bf7cb84d3116dad884d5a0d24ff0c338db701074eac2 |
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font_01_sfnt_off0001464a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1464A | 11016 bytes |
SHA-256: 1c776e215b08cfa666dcf44b7bad4ba774577098f642b382b4494ab144e02ab3 |
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