MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The primary malicious URL identified is https://ttraff.ru/pify?keyword=definite+article+the+rules+pdf. The document body, though heavily obfuscated, contains this URL and other links pointing to a large number of PDFs hosted on Shopify, suggesting a link farm or SEO poisoning attempt. The ML classifier also strongly flagged this PDF as malicious.
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=definite+article+the+rules+pdf In PDF document text
- http://files.bdgapparel.com/uploads/1/3/1/3/131382092/1173770.pdfIn PDF document text
- http://files.ideamater.rafaelfraga.com/uploads/1/3/1/4/131483371/fa1fc8ca39231e.pdfIn PDF document text
- http://files.designsbykneeknee.com/uploads/1/3/0/7/130776046/jesopevol.pdfIn PDF document text
- http://files.kathrynrobertsauthor.com/uploads/1/3/2/6/132681757/efbddc0.pdfIn PDF document text
- http://jufuleto.jenniferrpark.com/uploads/1/3/0/8/130874218/vavaxol-warewik-kugexowisisa-zopilidimejil.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/1/0434/1871/4264/files/zupupitawazawuzijipetuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2865/9870/files/xozixexafuzotenenuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7954/8574/files/87519107351.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/3871/6583/files/robotics_books_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6290/9335/files/nokerit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1538/6789/files/quantum_q6_edge_service_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6350/9141/files/64282173210.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9508/9559/files/andreas_moritz_liver_flush.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1935/2740/files/pidirevabozonobanu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5060/5461/files/jagumubunomozulaxupipibom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4956/5853/files/biology_eoc_practice_test.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9464/6689/files/xafiwedasopusaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6269/7894/files/9619450249.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_off00006f3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F3A | 5240 bytes |
SHA-256: 2e8485a5907ea4ff255313f5f6b64991e66089be36559d25db389af498ba5fde |
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font_01_sfnt_off00008101.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8101 | 10756 bytes |
SHA-256: a4b19fdf5fc8d9988c8ecfad41619ebde1b986201887716cd65086bcf63b0fe3 |
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