MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, a technique often used for SEO poisoning or to redirect users to malicious sites. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=html+website+templates+responsive+free'. Another heuristic flagged the PDF as a link farm, with many links pointing to Shopify domains, likely to obscure the true malicious intent. No scripts were extracted, but the presence of a malicious redirector and a link farm strongly suggests a phishing or redirection attack.
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=html+website+templates+responsive+free In PDF document text
- http://files.saracolemft.com/uploads/1/3/1/1/131164252/1944376.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0434/1802/6142/files/tarefapanumugiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3564/8409/files/answers_nyt_crossword_puzzle.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9608/8481/files/ihra_rulebook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2166/3397/files/adorno_estetica.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0826/2297/files/free_software_to_convert_file_to_word_doc.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2452/1128/files/37498988862.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4505/9749/files/11221198886.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2629/2629/files/wekopemomimozilim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2093/4558/files/99222729532.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0464/9415/4904/files/video_er_app_2019.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0462/5625/9221/files/street_fighter_4_apk_obb_data.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4595/1400/files/tudotorumatolulemufunipif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5369/3593/files/general_ledger_accountant_job_description.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006538.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6538 | 5088 bytes |
SHA-256: 4ccdd8d0efda58461784b75732b04c27b2ef435d02d751d87a52145fdda433b2 |
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font_01_sfnt_off00007664.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7664 | 2268 bytes |
SHA-256: 72a3fe65f0a21df30f240897224061cfa351088b80a4eb601fb5defb198ec993 |
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font_02_sfnt_off00008076.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8076 | 10512 bytes |
SHA-256: aa3a6d60afe99ba40376a5925840c9fb8c33e82a0d2d59680d5d26c0648fbbe6 |
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font_03_sfnt_off0000a35c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA35C | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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