MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to domains associated with link farms and redirectors. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags a link to 'ttraff.cc', indicating a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, while containing garbled text, includes the URL https://ttraff.cc/wb?keyword=antecedentes%20del%20derecho%20civil%20en%20mexico%20pdf, suggesting a lure to a malicious site disguised as a PDF download.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=antecedentes%20del%20derecho%20civil%20en%20mexico%20pdf
- http://files.morganboardman.com/uploads/1/3/2/6/132681245/ruvazabesogi.pdf
- http://files.wisdomsfountain.com/uploads/1/3/1/0/131070911/928f47b.pdf
- http://files.gulnurozdaglar.com/uploads/1/3/2/3/132302913/38e83.pdf
- http://files.upwardfacinglife.com/uploads/1/3/1/4/131436971/velolerulamur_baxafijirun.pdf
- http://files.alexboel.com/uploads/1/3/1/0/131071035/046f8078f6fb.pdf
- http://files.connoisseurstours.com/uploads/1/3/1/8/131857071/abaa266e7dc9a.pdf
- http://files.hullabaloomusicfestival.com/uploads/1/3/2/7/132740415/zikomigop.pdf
- https://lexaxawo.files.wordpress.com/2020/06/76447534094.pdf
- https://bulijedakuve.files.wordpress.com/2020/06/37401022300.pdf
- https://bavorekivaso.files.wordpress.com/2020/06/49040199682.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/norojakibi.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/89462818099.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/63529720688.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/87899810879.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99237037604.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/48695811849.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000619c.bin65562eb5bb69ad45998360a096745dc7e7f68f62e38e5181f50f50b09108eaf0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x619C | 5088 bytes |
font_01_sfnt_off000072bc.bin0823e316a4537a2d40ecb7b46db0d43e8ce666d128086a4bcd77237eef5470d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72BC | 10284 bytes |
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