MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. The document also exhibits characteristics of a link farm, with numerous embedded URLs pointing to external PDFs. The primary malicious URL is https://ttraff.cc/pify?keyword=ota+tv+guide+austin+tx, which likely serves as a lure to a malicious payload. The ML classifier strongly supports the malicious verdict.
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/pify?keyword=ota+tv+guide+austin+tx
- http://gexure.naturaincognita.com/uploads/1/3/1/4/131482975/9397fd53e8720b0.pdf
- http://files.jacksonvilleartistsguild.org/uploads/1/3/0/8/130813108/3553427.pdf
- http://zubavi.goldorchestra.org/uploads/1/3/0/7/130739625/niwiguwat.pdf
- http://files.poseidonbrewingco.com/uploads/1/3/1/3/131380687/434ed9.pdf
- https://cdn.shopify.com/s/files/1/0429/8866/7034/files/65109788014.pdf
- https://cdn.shopify.com/s/files/1/0435/6728/4387/files/organelas_celulares_e_suas_funes.pdf
- https://cdn.shopify.com/s/files/1/0433/4393/7690/files/it_s_going_down_for_real.pdf
- https://cdn.shopify.com/s/files/1/0434/7199/5033/files/elmer_s_wood_glue_msds_sheet.pdf
- https://cdn.shopify.com/s/files/1/0432/4104/6171/files/30043394949.pdf
- https://cdn.shopify.com/s/files/1/0433/3925/1870/files/1578265646.pdf
- https://cdn.shopify.com/s/files/1/0435/1583/8628/files/abstract_reasoning_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0430/1458/6521/files/business_ethics_case_study.pdf
- https://cdn.shopify.com/s/files/1/0434/3418/0769/files/vibosafovujuvakogoxug.pdf
- https://cdn.shopify.com/s/files/1/0436/0998/1085/files/aditya_birla_sun_life_mutual_fund_redemption_form.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_off0000a342.binc0cd34d3a034bd4b52ee630d59e7b2d049b91370d36587513ab895ddbae1280f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA342 | 5020 bytes |
font_01_sfnt_off0000b475.bine34575f86b29f53a4000595160e6ea2b8c360b0856c91b0f9e93c0dad18f039f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB475 | 10408 bytes |
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