MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be the primary lure. The presence of many links to external PDFs, including benign ones on Shopify, suggests a link farm or SEO poisoning tactic to distribute the malicious PDF. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://ttraff.ru/pify?keyword=deductive+approach+and+inductive+approach+pdf In PDF document text
- http://files.annadivesta.com/uploads/1/3/0/7/130739747/malowegasoj_guvot_kuwefa_lazuxeg.pdfIn PDF document text
- http://files.nphsjrwolfpack.com/uploads/1/3/1/4/131483253/pageponiputi_gosalobire_vopepas_fatibo.pdfIn PDF document text
- http://files.shebymelissab.com/uploads/1/3/0/7/130739542/xujawa.pdfIn PDF document text
- http://files.powysdragons.com/uploads/1/3/0/8/130874457/rosal.pdfIn PDF document text
- http://files.deddingtonfarmersmarket.co.uk/uploads/1/3/0/7/130739704/borijupubu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0432/5376/0160/files/papepigev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4381/4556/files/pinivelibodu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0281/4876/files/bapematepesutoturaletigev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6747/4087/files/tavuxabumodujepigopaxo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7006/2754/files/55760094446.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7006/2754/files/nuxiwofenan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2096/8351/files/47725352407.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8098/2436/files/twitch_audio_mute_workaround.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6992/3740/files/42062090597.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9526/1348/files/16799798032.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6785/9359/files/99723003131.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5891/3689/files/18552628348.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/2552/5918/files/hysterectomy_types.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3010/9593/files/diablo_3_barbarian_builds.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007190.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7190 | 4972 bytes |
SHA-256: 1f2ea904b8a8299ed3d840933ff9dad44721f6a44ad8c917a40c242dffbcfbf2 |
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font_01_sfnt_off00008279.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8279 | 10568 bytes |
SHA-256: 8ee54b486decb122568e4b960b32866ae70d49bd200aee9794f76eb5ae8b9001 |
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font_02_sfnt_off0000a697.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA697 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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