MALICIOUS
222
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a malicious redirector link disguised as a payment card number format query, which is part of a phishing lure. The document body, though heavily obfuscated, contains the URL and mentions account termination, reinforcing the phishing pretext. The presence of a link farm suggests an attempt to obscure the ultimate destination.
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) 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.cc/pify?keyword=ing+maestro+card+number+format In PDF document text
- http://files.degraaffdesign.com/uploads/1/3/2/7/132712129/rupufuk-wobaxiwi-nirosuvuzugik.pdfIn PDF document text
- http://jamijeve.rose-annerussell.com/uploads/1/3/2/6/132682076/vuneximajenijukuti.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/1/0432/8531/5744/files/tipanasurularibegukegigu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8837/0072/files/wufabosuxodevilusageriris.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1769/7437/files/bititanenizarutolabi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6713/0534/files/kekosuluxodagepumixovuwi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5650/4744/files/3572774886.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4157/9420/files/vojone.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3552/5282/files/861397017.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6991/4782/files/33100881717.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/7708/0990/files/68500_revised_answer_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3553/3218/files/test_psicologico_del_arbol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/949986333.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0313/4627/files/24956212904.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_off00005e14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E14 | 5220 bytes |
SHA-256: d45ac8a709b86fb5c2f76497355efbbb2885a481a67ded696a8e70af09d75ff6 |
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font_01_sfnt_off00006fa7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FA7 | 10580 bytes |
SHA-256: e8e9aac0e07542be6632e764a94f3a6f3f1e7b900e2d5fcdd4af3875a6fa6715 |
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font_02_sfnt_off000093e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93E4 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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