MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm and a redirector URL, indicating a phishing or scam attempt disguised as a free download. The primary malicious URL identified is https://ttraff.ru/pify?keyword=carranza+s+clinical+periodontology+second+south+asia+edition+pdf, which is flagged as a malicious redirector. The document body also contains numerous links to Shopify-hosted PDFs, likely part of an SEO link farm to improve search engine ranking for malicious content.
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=carranza+s+clinical+periodontology+second+south+asia+edition+pdf In PDF document text
- http://files.waiheelimu.org/uploads/1/3/1/6/131607174/nomuvawezilamaranu.pdfIn PDF document text
- http://files.jacobjosephpiano.com/uploads/1/3/0/8/130814121/2443103.pdfIn PDF document text
- http://relazikap.ericdwinnells.com/uploads/1/3/2/6/132681947/4026f9.pdfIn PDF document text
- http://files.blessedredeemerpb.org/uploads/1/3/1/3/131398419/242177.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/1/0435/4431/4024/files/comment_fusionner_plusieurs_en_un_seul_document.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9641/6161/files/fezanodiwu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8945/9368/files/5305563978.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4737/0402/files/liwusov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6303/3502/files/namexusoxivumuwifawumuba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4496/1442/files/xivaliwinomo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7240/6179/files/89263746840.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8049/8852/files/24690130883.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8867/4967/files/6220805740.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6001/0912/files/33581929083.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6761/3077/files/7702737739.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dazexirorojukulovamedifuv.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_off00006b9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B9C | 5472 bytes |
SHA-256: 34b08cbba3e824c17d53cbfef3c10b216fa4af3fd1f9b78c028b5fa169d070c4 |
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font_01_sfnt_off00007e3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E3E | 10048 bytes |
SHA-256: c8843050d5c51394575a3f52d27016b6ea0fea8a885379e9a509f1d76e1c2070 |
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