MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with a primary link pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=functional+groups+biochemistry+pdf', which is flagged as a malicious redirector. The presence of numerous links hosted on Shopify and other file-sharing services suggests an attempt to distribute malicious content broadly. No scripts were extracted from this sample.
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=functional+groups+biochemistry+pdf In PDF document text
- http://files.bobapink.com/uploads/1/3/1/4/131437669/sedosepe_ropoxobusu_rusuwaburuz_zebuwozajepoza.pdfIn PDF document text
- http://files.hawknews.org/uploads/1/3/1/1/131164488/9474988.pdfIn PDF document text
- http://files.plasticactionuk.co.uk/uploads/1/3/1/4/131453620/deb69b5b6ad4194.pdfIn PDF document text
- http://files.theworkplacehealthcoach.com/uploads/1/3/1/4/131453177/434057.pdfIn PDF document text
- http://files.district12volleyball.com/uploads/1/3/1/4/131407088/kesezofoseke-vijomokirutina.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/1/0430/3234/6773/files/76570445782.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6568/7717/files/musekojor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/surorut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0454/5295/1704/files/mathematics_functions_grade_12.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6300/0734/files/4854767574.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5965/7374/files/famamimatakuxidur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6943/2230/files/84694553161.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3459/1907/files/ssat_middle_level_practice_test.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5370/9472/files/anacardiaceae_family.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4146/5244/files/wamuwagexesejukupaguvab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2603/9463/files/napazexojibomabojuvova.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4979/4213/files/2018_subaru_crosstrek_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3291/9720/files/55586201377.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2310/5189/files/16988255139.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0154/3831/files/goper.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
🗂 Part of campaign:
hawknews.org
5 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006de0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DE0 | 5764 bytes |
SHA-256: 9567f4b0decf3ca03f8d15396f653845cfc0d7af2041044e759a9cc0a856c10c |
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font_01_sfnt_off00008154.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8154 | 9876 bytes |
SHA-256: 7dd56a73f976a7555acabea8bc9fa598f858fb8a78681d4c9fa19e655a6d569d |
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