MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to external resources, a common tactic for SEO poisoning or link farming. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=anti+smoking+posters+free'. The ML classifier also strongly indicated maliciousness. The document body, though partially corrupted, contains the same lure text as the redirector URL, suggesting a social engineering attempt to trick users into clicking the malicious link.
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=anti+smoking+posters+free In PDF document text
- http://ruxuxufim.wmdodgearchery.co.uk/uploads/1/3/1/8/131857419/7ae01.pdfIn PDF document text
- http://files.jaicenterforwellness.com/uploads/1/3/0/8/130813364/dulaje_nomuvafuta.pdfIn PDF document text
- http://files.cornerboutiqueinmilan.com/uploads/1/3/1/8/131871633/7171b20ec7.pdfIn PDF document text
- http://files.noellejolynn.com/uploads/1/3/1/0/131070230/tirem.pdfIn PDF document text
- http://files.homeopathy-cures-you.com/uploads/1/3/0/8/130813934/kujijalaxone-rivapudufoxazi-kimula-muderof.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/1/0433/5815/9006/files/66996536260.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3406/7615/files/49231430150.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/25668779603.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5382/5704/files/37985124375.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2998/5430/files/92431122528.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7108/6492/files/asperger_en_mexico.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4953/3088/files/mevizabagewewobedakugexog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7952/4759/files/shell_script_cheat_sheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7379/7285/files/zitedaxanoveda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3082/1529/files/juduxanavanijuvorugorer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2966/6724/files/real_estate_wholesale_purchase_agreement_contract.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9301/7247/files/scorpion_mortal_kombat_moves.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6054/4156/files/30599516548.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006b18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B18 | 4820 bytes |
SHA-256: 4791d7d17af5e38d17925851cc1a0311de2d490f0a2fb427ae6e951628267833 |
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font_01_sfnt_off00007b65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B65 | 10092 bytes |
SHA-256: 02312079bb8f39a75039350cad7d09ebd9270d01861dd62596922e25f15c70aa |
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font_02_sfnt_off00009dfa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9DFA | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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