MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external resources, many of which are part of an SEO link farm designed to attract users. A critical heuristic identified a link to a known malicious redirector infrastructure, specifically 'https://ttraff.ru/pify?keyword=convert+bmp+to+jpg+software+free', which is also present in the document body. This suggests the document's primary purpose is to redirect users to potentially malicious websites, likely for phishing or malware distribution.
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=convert+bmp+to+jpg+software+free In PDF document text
- http://files.nicolepachecomakeup.com/uploads/1/3/2/6/132681322/fejemarifabifa.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/1/0430/1049/0519/files/boss_me_25_manual_espaol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4916/4698/files/8326173527.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5353/9747/files/journal_ledger_cash_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3293/6605/files/auscultation_skills_breath_and_heart_sounds.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8674/9604/files/91006266249.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1883/0492/files/16226180189.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2485/0842/files/moral_values_definition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0223/2983/files/tactics_for_listening_third_edition_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7610/8956/files/63666423492.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7063/3624/files/wozivedapevum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0802/3966/files/schindler_s_list_partitura_violin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7541/9798/files/kikizatofofebinaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0012/6885/files/sejarah_bilangan_bulat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7663/2217/files/active_voice_passive_voice.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_off000069ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69ED | 5464 bytes |
SHA-256: 34c9c85b7a98a4e0e9e7b577d0ef8eb227f9c03205e47804a71416f37d185eca |
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font_01_sfnt_off00007c89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C89 | 10120 bytes |
SHA-256: 1994df47b6394f71bded5590373c4d3dcac167f8cf2bf5d58a2a4cca900ff947 |
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