MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'definition of employee relations pdf' and the malicious URL, suggesting a lure. The ML classifier also strongly indicated maliciousness. The primary attack pattern involves redirecting the user to malicious infrastructure.
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.com/wb?keyword=definition%20of%20employee%20relations%20pdf In PDF document text
- http://files.jenniferlaughran.com/uploads/1/3/0/8/130874284/dad8b2fb6c9bf9.pdfIn PDF document text
- http://files.livinginskokie.com/uploads/1/3/1/0/131070597/zebaga.pdfIn PDF document text
- http://tebebamaw.anextrabodymovers.com/uploads/1/3/1/3/131398453/4b5fd45e0632487.pdfIn PDF document text
- http://files.gettinoutdoorsradio.com/uploads/1/3/0/7/130776265/2914750.pdfIn PDF document text
- http://files.walkerorchestra.com/uploads/1/3/0/7/130775346/f1e5d623fb9.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/1/0448/0755/3184/files/inorganic_chemistry_lecture_notes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6296/5912/files/58898452978.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0621/4819/files/63488678385.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2766/8890/files/1st_puc_biology_important_questions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2439/2087/files/larivikoguwa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4847/6572/files/curriculum_development_in_language_teaching_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/9867/5102/files/accounts_payable_interview_questions_in.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9236/9823/files/quiz_ice_cream_3-_6.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8534/8508/files/zujazinij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5604/7004/files/fundamentals_of_bacterial_plant_pathology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2683/3823/files/78425015058.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1581/2766/files/king_arthur_story_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1758/4283/files/85647085290.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2943/6315/files/73699886171.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_off0000647b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x647B | 5288 bytes |
SHA-256: 1837c39d66f4c0cb516ddf187e811d535162c89b733459879dc79ca441955983 |
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font_01_sfnt_off00007664.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7664 | 10092 bytes |
SHA-256: 201594758ef9f404a978b3538f5ffacb8ba105533d5b907ab8633556dff58b2a |
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