MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though partially corrupted, suggests a 'recruitment' theme, which is a common lure for phishing and scam operations. The presence of a callback lure heuristic further supports the phishing pretext. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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) documents that carry no urgency or charge/dispute escalation.
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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=vcrc+recruitment+2020+pdf In PDF document text
- http://files.waveloopart.com/uploads/1/3/2/7/132740343/883d0.pdfIn PDF document text
- http://files.montessoriassothailand.org/uploads/1/3/1/3/131379276/joloru-jitebafajevoz.pdfIn PDF document text
- http://files.kelownaplumbingsolutions.com/uploads/1/3/1/3/131398156/vudejinu-kedav-benosagulita.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/1/0429/8234/2815/files/jam_mathematics_syllabus_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8217/6920/files/zezebozukogofituvagofuni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0865/4492/files/kumuwaza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2287/4781/files/ecology_textbook_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0880/3495/files/71096082319.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1135/8372/files/vowawuvumejabutewamotut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7988/3170/files/pevumepilila.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1075/2663/files/bosivitugadifiruvegim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9763/7535/files/luxitisi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1754/3588/files/76386933877.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4050/4999/files/borg_scale_of_exertion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6862/8892/files/xezodul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2815/8363/files/4772593497.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7743/4525/files/paxizesizi.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_off000065af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65AF | 5120 bytes |
SHA-256: 998ffc540dc5b81a7625a9e235f500b4c93bab097a846d1227dd214fda88324c |
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font_01_sfnt_off0000770e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x770E | 10204 bytes |
SHA-256: a285c24e2c1f0946e82c06da7f04be5d5f85a5fb916b46b19f886b5a2796dc29 |
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