MALICIOUS
222
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains numerous links, including one pointing to a known malicious redirector 'https://ttraff.ru/pify?keyword=playstation+now+android', suggesting a phishing or scam attempt. The presence of a large number of PDF links also indicates potential SEO manipulation or a link farm tactic. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a phishing or malicious redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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=playstation+now+android In PDF document text
- http://files.meredithcarro.com/uploads/1/3/1/6/131637384/8035850.pdfIn PDF document text
- http://files.superiormachineandfab.com/uploads/1/3/2/8/132815154/5810631.pdfIn PDF document text
- http://files.jacksonandthepoolsharks.com/uploads/1/3/1/3/131398221/wesixukin.pdfIn PDF document text
- http://susewa.klmlodge.com/uploads/1/3/0/7/130738697/lanuj.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/1/0439/5958/2878/files/livejunibajaminabumiwe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/5364/0856/files/62434956150.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5943/0054/files/beef_lasagna_recipe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4818/0634/files/jusujanudomatologoditet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3817/0523/files/download_python_for_windows.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6953/6411/files/audi_a4_manual_transmission.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8181/7495/files/grados_maduracion_placentaria.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5843/8039/files/autobots_in_transformers_the_last_knight.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9504/0924/files/biodegradation_microorganisms.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6660/4182/files/adwords_basics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0892/5602/files/riwegulesejenavinumadediw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4778/6398/files/chemistry_o_level_notes_download.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_off00007883.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7883 | 5012 bytes |
SHA-256: 6995fee6a6560b4301e6a949799b927b80b32463a7236b0c9008e0414d9d1dc1 |
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font_01_sfnt_off000089ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89AD | 10776 bytes |
SHA-256: 1669f55864bb137a738bf7a0e3b475f63fed368dfaed0cb3beba3b9aebeffde2 |
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