MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com, and one critical link redirects to a known malicious URL. The document body, though heavily obfuscated, contains the malicious URL, suggesting the intent is to trick the user into downloading a malicious file disguised as a PDF. The ML classifier also strongly indicated maliciousness.
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.cc/pify?keyword=management+of+amniotic+fluid+embolism+pdf In PDF document text
- http://files.smile2340.com/uploads/1/3/2/8/132814949/9814794.pdfIn PDF document text
- http://files.johnsonhoopbuildings.com/uploads/1/3/0/9/130969728/83f986f.pdfIn PDF document text
- http://files.rossalexandermason.com/uploads/1/3/1/1/131163898/27d3d0110ed3366.pdfIn PDF document text
- http://files.sdadata.org/uploads/1/3/0/8/130813818/botij-kodidekudikukix-relebixazeki-ruxupemopuwaj.pdfIn PDF document text
- http://files.bigyogaonline.com/uploads/1/3/0/7/130776049/jumawobazomafuw.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1701/1353/files/64935680235.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9304/1053/files/sokofe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2809/4882/files/53155225316.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5099/0753/files/2815522177.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5542/3396/files/jutozamij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6241/8846/files/61058575071.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2046/7869/files/13770399514.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6957/8147/files/wedding_planner_handbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1119/4525/files/jijiwiga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7755/7660/files/rorajekixovinizubi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8298/7158/files/soxenebipevigitatomapow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8545/3730/files/lazonubosipimowikar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/birizakidunupujudexi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4028/5607/files/bebozoruguwejedi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5932/8662/files/aeropress_instructions.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007e7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E7C | 5524 bytes |
SHA-256: 5f24f03f8d2fe0b6e363441a27b36ab1fdebb718f5895826748aa0b01ee7ec46 |
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font_01_sfnt_off0000914b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x914B | 10080 bytes |
SHA-256: e7898d7a0b9ddd35a8644f9ea60a7f3cf069bfa374e2aec137e35a9581e0e134 |
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font_02_sfnt_off0000b3ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3EA | 16148 bytes |
SHA-256: aabbb95e4258a1bccfe6759090a0a8b97a33e8154131110566ffb2eaa8fdb080 |
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