MALICIOUS
234
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 domains associated with link farms and redirectors, as indicated by the PDF_SEO_LINK_FARM and PDF_MALICIOUS_REDIRECTOR_LINK heuristics. The primary redirector URL is https://ttraff.ru/pify?keyword=tp+link+archer+c1200+manual+pdf, which is designed to lure users into clicking through to potentially malicious content. The ML classifier also strongly flagged this PDF as malicious.
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=tp+link+archer+c1200+manual+pdf In PDF document text
- http://files.peequality.com/uploads/1/3/0/8/130874284/3905499.pdfIn PDF document text
- http://files.whenwealllivedintheforestandnoonelivedanywhereelse.com/uploads/1/3/0/7/130776262/vefosajizekolin-sujez-jidusako-wolutewamaxa.pdfIn PDF document text
- http://files.ioscaid.com/uploads/1/3/1/6/131606275/musoj_ragunuzafal_jetelusibubavaj.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/1/0434/7451/8178/files/texurisumotigef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3106/7813/files/kadevamuxisali.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1142/3902/files/30714196875.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7571/4715/files/lenny_face_middle_finger.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0617/1048/files/bamogibugakomulewime.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1249/7313/files/lugizurigenuwisama.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2521/1298/files/judepejevebifixo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5706/1788/files/8430833969.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/6219719719.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7247/0686/files/86100071522.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3140/2395/files/gilolotelasutepex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0306/8068/files/virurizejafukiwigo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9752/2329/files/duxidalovo.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_off00005f99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F99 | 5556 bytes |
SHA-256: 19e974cff2f9b2188f8034ff66309cbd79fc8ddec6b431bca23a2642d7c37b56 |
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font_01_sfnt_off00007258.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7258 | 12344 bytes |
SHA-256: 18b8da87a426ea7bf351b552e69dafeacdd310832d66563068d3e9af536d7cf4 |
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