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 pointing to Shopify domains, but one critical link redirects to a known malicious infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=substance+abuse+and+academic+performance+pdf', which is flagged as a malicious redirector. This suggests the document is part of a link farm or SEO poisoning campaign designed to drive traffic to malicious sites.
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=substance+abuse+and+academic+performance+pdf In PDF document text
- http://bibibamev.ruthmillerembroidery.com/uploads/1/3/1/3/131383483/7342213.pdfIn PDF document text
- http://files.essentialpsychotherapyservices.com/uploads/1/3/1/4/131407877/dujarewige-wanulodev.pdfIn PDF document text
- http://nevej.biotechashok.com/uploads/1/3/0/7/130739591/dejonokitux-kidesipujudi.pdfIn PDF document text
- http://files.keepingthefaithal.org/uploads/1/3/1/0/131070604/7042212.pdfIn PDF document text
- http://files.vedanza.com/uploads/1/3/0/9/130969987/sozobugina-xomefirexosa.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/1/0431/8360/3876/files/guxalagovezemama.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7673/0533/files/rinoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2183/6193/files/ancient_china_timeline.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3741/6869/files/canada_student_visa_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4007/9005/files/57338092971.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2664/4125/files/29587197651.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0574/7095/files/mexagizifo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2868/3674/files/38280398308.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3273/9989/files/84865776911.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6984/8217/files/core_strength_exercises_for_beginners.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4742/6975/files/begemibugobar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7451/9191/files/arcanos_mayores_significado.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8339/7275/files/52171108749.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_off00009d22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D22 | 5512 bytes |
SHA-256: 2fb2a827fdafa479283055d044786ed0858fa5510272e4d0ac0336271e320cc4 |
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font_01_sfnt_off0000afb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFB0 | 10404 bytes |
SHA-256: eba5a1522d5c2d6a1f7f1f7db2175c202c97d7786b13892db3e3813f3c958bd6 |
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