MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a redirector service and then to other PDF files, indicating a link farm designed for SEO manipulation or malicious redirection. One of the primary links, 'https://ttraff.com/pify?keyword=animal+farm+chapters+summary+pdf', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to 'Animal farm chapters summary pdf' and the authoring application 'wkhtmltopdf', suggesting a lure to disguise the malicious intent of the embedded links.
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.com/pify?keyword=animal+farm+chapters+summary+pdf In PDF document text
- http://files.sunshinecoastenglish.com/uploads/1/3/0/7/130739982/661f22e86.pdfIn PDF document text
- http://files.1uptoronto.org/uploads/1/3/0/7/130775629/nosigipesevonozugi.pdfIn PDF document text
- http://files.live-arts.co.uk/uploads/1/3/2/7/132712326/dazenanubeleja-rilegow-sudibebogakob.pdfIn PDF document text
- http://files.scottontherocks.com/uploads/1/3/1/1/131163561/xesajusimeguv_teganosanol_gatumi.pdfIn PDF document text
- http://files.insights4less.com/uploads/1/3/1/4/131407102/begabutirobuzi.pdfIn PDF document text
- http://files.crossroadsambulance.com/uploads/1/3/1/4/131454355/a0de47.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://xabofufutin.files.wordpress.com/2020/06/wumitez.pdfIn PDF document text
- https://tovudut.files.wordpress.com/2020/06/3543167879.pdfIn PDF document text
- https://kigedor.files.wordpress.com/2020/06/8720123244.pdfIn PDF document text
- https://verepekom.files.wordpress.com/2020/07/16694142168.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/92161478626.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9373/7110/files/94546696277.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2821/0073/files/tunonazozaje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rodol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/7868051279.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vunumegosuvuvorewufo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1240/7967/files/15369587076.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_off00006586.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6586 | 5256 bytes |
SHA-256: a1030d206c4a08f6e7a943daebafbaebf6f35ebe09ca978a6327992100345c7f |
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font_01_sfnt_off0000772d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x772D | 9168 bytes |
SHA-256: f9e81d34b62b03d1576c3b8700bbc87ca97d716e5a9abeb67d94e76d02ca0049 |
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