MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external PDFs, many of which are generated via an SEO redirector farm. The primary redirector URL is 'https://ttraff.ru/pify?keyword=adagio+de+albinoni+pdf', which is flagged as malicious. This suggests a campaign to distribute malicious content or phish users by overwhelming them with links to seemingly legitimate but ultimately harmful documents.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=adagio+de+albinoni+pdf In PDF document text
- http://files.jenniphelanphotography.com/uploads/1/3/0/8/130874489/3822705.pdfIn PDF document text
- http://files.leahatwood.com/uploads/1/3/0/7/130739284/wefajigunivigefu.pdfIn PDF document text
- http://files.visitdvcc.org/uploads/1/3/0/7/130740068/zemida-wupalusitez.pdfIn PDF document text
- http://binowi.lifelongfitnesspersonaltraining.com/uploads/1/3/1/4/131438142/50e8f7.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/1/0430/8893/7120/files/39610270317.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6544/9365/files/12288650474.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0712/3357/files/book_review_definition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/85986419962.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2145/8853/files/construction_of_biogas_plant.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3266/6524/files/33125133317.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7214/4038/files/38481920453.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1912/4382/files/dajukewawuwidegutap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9217/3217/files/33058014048.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2281/9233/files/kaplan_step_2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0517/4183/files/fiwajoponetuvupuzu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3262/4808/files/dadogesadafiruxaragap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4287/4278/files/2297729476.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_off0000677b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x677B | 5064 bytes |
SHA-256: b1ab248e2377d0ff0d42fcc9875e2212ab005b75551dc816ea00e092cedb18aa |
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font_01_sfnt_off000078c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78C8 | 10080 bytes |
SHA-256: 87d1583fa94191c73cfb88c3023e0e3ff6f5d9e1871b57d7ba62aa04634d575e |
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