MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a mass external link farm, with one critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=cao+beveiliging+2020+pdf', which is also flagged as a malicious redirector. Another heuristic indicates a callback phishing lure, suggesting the document aims to trick users into calling a fraudulent number. 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) or Microsoft license-boilerplate 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.cc/pify?keyword=cao+beveiliging+2020+pdf In PDF document text
- http://files.southwestcactusshop.com/uploads/1/3/0/8/130874162/6811847.pdfIn PDF document text
- http://files.crchog.org/uploads/1/3/1/4/131438468/zixupalomo-rebuxiko.pdfIn PDF document text
- http://files.fnaq.org/uploads/1/3/0/9/130969944/nivubuluro.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/1/0437/7152/7319/files/medozosumipokuzuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1245/5591/files/gefewowawoje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7264/3491/files/tekkit_legends_servers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0743/3125/files/81100158533.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4519/1841/files/cour_appareillage_electrique.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5140/8799/files/61334762116.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0076/5336/files/gopusuludusi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/49181926903.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2790/6206/files/vojifanitarizubemotax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6544/9371/files/54472501481.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8229/3141/files/3583241287.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1802/6142/files/fosasuxet.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_off00007870.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7870 | 5312 bytes |
SHA-256: 9906d9ba65af58e0f6c13dafd64e667a18fe8603b0263bd0fed3b3663298a519 |
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font_01_sfnt_off00008a9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A9A | 10780 bytes |
SHA-256: 8a99111ef2e9a71947c23f951058656b1c5d60f5ea27e75ac0bc72a38bddaac5 |
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