MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of embedded links, many of which point to a redirector infrastructure. The document body and heuristics indicate a lure to download files, likely to facilitate further malicious activity. The primary redirector URL identified is https://ttraff.ru/pify?keyword=d%25E1%25BB%258Bch+file+pdf+ti%25E1%25BA%25BFng+nh%25E1%25BA%25ADt+sang+ti%25E1%25BA%25BFng+vi%25E1%25BB%2587t, which is flagged 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=d%25E1%25BB%258Bch+file+pdf+ti%25E1%25BA%25BFng+nh%25E1%25BA%25ADt+sang+ti%25E1%25BA%25BFng+vi%25E1%25BB%2587t In PDF document text
- http://files.swimatseastar.com/uploads/1/3/2/6/132680796/c0d92a96c08733.pdfIn PDF document text
- http://files.columbiayouthsoccerclub.com/uploads/1/3/0/8/130874361/170ccd052ee314.pdfIn PDF document text
- http://peled.northshorebostonrealtor.com/uploads/1/3/1/4/131483144/7514191.pdfIn PDF document text
- http://files.deannaheathrealty.com/uploads/1/3/0/9/130969206/7314664.pdfIn PDF document text
- http://files.micasitarentals.com/uploads/1/3/1/4/131406744/tibitu.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/1/0435/6482/6783/files/change_management_notes_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8047/2984/files/effective_biblical_counselling.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4364/2773/files/7955059720.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4976/1433/files/din_en_iso_4762.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8909/8907/files/blogs_de_libros_gratis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3433/7695/files/4675971905.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0280/5917/files/rijemiwude.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0041/2835/files/avishai_margalit_la_sociedad_decente.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9138/4736/files/jupanozalapiraketejojoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6308/3162/files/dekexob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2351/5294/files/50722161181.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6568/7717/files/an_introduction_to_core_topics_in_alternative_investments.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7651/8049/files/rarinuzulegimexojafagi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1559/4393/files/xejogomudafegok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/3337/5399/files/list_of_all_collective_nouns_in_english.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_off000064d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64D7 | 6040 bytes |
SHA-256: be0b93d0b8a9ab8fbe3ded5621f16364d5a7dcfcd26e6645b57bc17d811dd5eb |
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font_01_sfnt_off0000781f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x781F | 10896 bytes |
SHA-256: 69493de5d65ad27dd111c617eddb1a298e9bcb03839171440d4dd245d0b083bc |
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