MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically `https://ttraff.com/pify?keyword=adobe+acrobat+reader+pro+9+free`. Additionally, it features a mass external PDF link farm, with many links pointing to `cdn.shopify.com`. The document body text also contains the lure 'Adobe acrobat reader pro 9 free', suggesting a social engineering tactic to trick users into clicking the malicious link. No scripts were extracted from this sample.
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.com/pify?keyword=adobe+acrobat+reader+pro+9+free In PDF document text
- http://files.mcgiverncarpentryservices.com/uploads/1/3/1/6/131637357/09f11.pdfIn PDF document text
- http://rupina.agnespoirier.org/uploads/1/3/0/7/130775164/mopujojiwomerujuke.pdfIn PDF document text
- http://files.roydonng.net/uploads/1/3/1/4/131483719/22a48.pdfIn PDF document text
- http://biziw.artwithmrssouth.com/uploads/1/3/1/4/131438563/zawodizutawamepomol.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/1/0434/4738/6262/files/dudefamusilajaxad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8152/2599/files/minasulexivobow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5981/2254/files/vubujumegofekilopi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0705/7825/files/59226188028.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4532/0861/files/tor_browser_for_linux_32_bit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8529/1937/files/mivasusowunuruzojomujidon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2827/4582/files/83362473513.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2152/3349/files/lepokirodaw.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005c1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C1B | 3076 bytes |
SHA-256: dad61f3e0bc55ebdce70c4492ebfbde4e79ebb42b5be3ba85620f89d8b18d12f |
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font_01_sfnt_off0000670f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x670F | 5224 bytes |
SHA-256: c9b86f04c45995d0fbe9fd2a06276adc5d059f91e05dc2f4628461671f1e3750 |
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font_02_sfnt_off000078e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78E0 | 9888 bytes |
SHA-256: 52345a5123db03abeb414d5ccf00bca9e249af7d3c521e8d9d8662a1d391db7d |
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font_03_sfnt_off00009aeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AEB | 16488 bytes |
SHA-256: b88c55219ef84bd2ff48a12f23060c6b86d25efbafe4a8493ce51f9ac91249ff |
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