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 0.9996
Heuristics 6
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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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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://crophysi.ru/wix?keyword=butterflies+pinwheels+and+wallpaper+3.3+answers PDF link annotation
- https://cdn.sqhk.co/vixukose/icgchcE/63413689177.pdfIn PDF document text
- http://minosijasif.mypressonline.com/alister_mcgrath_historical_theology.pdfIn PDF document text
- https://cdn.sqhk.co/govazilose/bJVgizQ/metal_forming_process_mcq.pdfIn PDF document text
- https://cdn.sqhk.co/gapalagabig/PjhJMjj/padepemepigutedawir.pdfIn PDF document text
- https://cdn.sqhk.co/kufalavoxig/1sLue06/day_deals_sites_2019_near_me.pdfIn PDF document text
- http://labifovejes.mypressonline.com/system_of_a_down_toxicity_tab.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://ludugatitabi.atwebpages.com/cantina_band_clarinet_sheet_music.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/54e1f0ed-48bd-4a37-8928-9d7cb1c2aba5/where_to_take_seashells_links_awakening.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4226d3a1-5529-4df1-a833-3403c6739446/hp_4630_printer_wireless_setup.pdfIn PDF document text
- https://c245485c-e1a4-4c5a-9a2a-c465a95e53c8.filesusr.com/ugd/25f824_0b3d392d17134bc2983afd655993df7b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/24b909db-5226-42c5-a5f7-5544c552bd47/51000050468.pdfIn PDF document text
- http://gujimosodaza.myartsonline.com/76366920864.pdfIn PDF document text
- https://s3.amazonaws.com/minabiwa/quotes_in_the_adventures_of_huckleberry_finn_about_the_mississippi_river.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9faf004d-7d30-4ced-b31b-c1e6234cd3cc/2008_ford_escape_transmission_service.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f4f37c05-f818-4cbc-aab8-2c2b7fed1c9e/lutevukizijokan.pdfIn PDF document text
- https://s3.amazonaws.com/xabalaru/ralikegononugagekiwadizad.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/63bc08ac-04bc-42cd-868d-564f268d9f57/50212860966.pdfIn PDF document text
- https://cd9ed9ec-87d1-42be-9198-0b2de6c1db4d.filesusr.com/ugd/158fb9_1b0d279f9f7f4d39a532affc99deb114.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8e808adf-3770-4ea0-8305-35268652fcd1/45305562258.pdfIn PDF document text
- https://s3.amazonaws.com/rogugagatuf/5336707815.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e653fd61-dd96-4033-85e8-ff0d135e08c5/how_many_sarah_plain_and_tall_movies.pdfIn PDF document text
- https://s3.amazonaws.com/wofaxil/66138506727.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_off0000e4b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4B1 | 5464 bytes |
SHA-256: 1dbfe979d53285d820bc32d62b8422141ca5438e1bacc8d94518daa3e499b247 |
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font_01_sfnt_off0000f75a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF75A | 10432 bytes |
SHA-256: ba12a2e99abc72c27501be296918afad0bfc9e64c58a07665882608f5aedffbd |
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