MALICIOUS
210
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains multiple heuristics indicating a malicious redirector and a lure for advance-fee scams or fake invoices. The primary malicious URL, https://ttraff.cc/wb?keyword=obligations%20and%20contracts%20jurado%20pdf, is flagged as a known malicious redirector. The document body, though heavily obfuscated, contains the same URL, suggesting it's the intended destination. The presence of numerous benign-looking PDF links on Shopify domains is likely a SEO-poisoning tactic to improve search ranking for malicious content.
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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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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/wb?keyword=obligations%20and%20contracts%20jurado%20pdf In PDF document text
- http://bipezif.thebramedic.com/uploads/1/3/1/3/131380429/pinalolotiva_xizisabogova_retilupojola_lagex.pdfIn PDF document text
- http://files.7thbattalion13thartillery.com/uploads/1/3/2/7/132740423/6e1217fd.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/1/0435/5420/9943/files/1073894850.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2975/6066/files/98247780373.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5452/8677/files/zenejuburerawaduwepu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4464/2715/files/buoyant_force_formula.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2014/7095/files/aasm_scoring_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/48975286879.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6299/2795/files/how_to_find_facebook_url.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6638/2746/files/famuzaxukutiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/9765/7248/files/python_truncate_string.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00017762.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17762 | 5564 bytes |
SHA-256: f111867ce3975c393fb6debc4297bfa67e45eeb62384634d2f246d09d37573ec |
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font_01_sfnt_off00018a56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18A56 | 10964 bytes |
SHA-256: 70ffd29e1a1800695f28504f149bde18f590b8af4ae99f1fc36fe9e2f8e78057 |
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font_02_sfnt_off0001b006.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B006 | 16084 bytes |
SHA-256: 7ce5d4216a683abc7f7d8590681e99f92aa98484a77088abc3f6f2466aaac040 |
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