MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1059.001 Command and Scripting Interpreter: PowerShell
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.ru'. This suggests the document is designed as a link farm to distribute traffic to malicious sites, likely for phishing or malware distribution. The ML classifier strongly supports the malicious nature of this PDF.
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=reading+list+template+pdf In PDF document text
- http://files.manisteecd2.org/uploads/1/3/1/6/131606546/wukonawopepevesise.pdfIn PDF document text
- http://files.markbury.com/uploads/1/3/1/8/131871871/fezafudidaw_kimetulasupuda_kajejobowi_jugamikudolitev.pdfIn PDF document text
- http://files.turncoatmenswear.com/uploads/1/3/0/7/130776230/bufobikubusejigugiwe.pdfIn PDF document text
- http://xilezejid.jennuinenhphotography.com/uploads/1/3/0/7/130775795/gubaporuxib_fomotuwodibid_jusepo.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/1/0429/8250/6647/files/rewuxaxotakotan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6604/8164/files/pajojikivapexusox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6976/6808/files/lotugure.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0846/6845/files/western_blot_test_procedure.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2371/8805/files/45505684006.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5762/6792/files/accounts_assistant_resume.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6567/9776/files/vimipokete.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3465/6423/files/mupapisudegowetukaka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5469/3537/files/biological_oxygen_demand.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7945/7173/files/62953109991.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5667/6507/files/bcom_1st_year_financial_accounting_question_paper_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4834/5500/files/4913723376.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6625/3724/files/2427263128.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8501/1880/files/conductive_materials.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_off00008937.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8937 | 5272 bytes |
SHA-256: 72b562d43f40d4405d9ab2dcb8093eda3dc0d7620fd0da263161302f7f907900 |
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font_01_sfnt_off00009b1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B1D | 10436 bytes |
SHA-256: 4d299d71627331331a2da92a8a5047be515dd9398f6c3fa161d036807f78db47 |
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