MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains text related to a homestead exemption form and a malicious URL. The primary malicious URL, https://ttraff.cc/pify?keyword=tarrant+county+appraisal+district+homestead+exemption+form, is a clear indicator of a phishing or redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=tarrant+county+appraisal+district+homestead+exemption+form In PDF document text
- http://files.raw-angling.co.uk/uploads/1/3/0/9/130969428/1c90511c769b6ab.pdfIn PDF document text
- http://dizavuzex.lcmbands.com/uploads/1/3/2/8/132814342/xinaw.pdfIn PDF document text
- http://gikeloj.upotteryvillagehall.org.uk/uploads/1/3/1/6/131607163/0db49cf886.pdfIn PDF document text
- http://files.kevinpascalethomas.com/uploads/1/3/0/7/130738789/b17dc7ffc2adcae.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/1/0437/2699/5621/files/cra_representative_authorized_form_business.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/1092/0345/files/champion_of_atrocity_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5259/6374/files/soboj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6187/0741/files/xapire.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3536/1442/files/xopipemumivoganukolojuti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5435/7915/files/7th_bipartite_settlement_of_bank_employees.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0454/7356/2790/files/cse_global_limited_annual_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9870/1977/files/dososide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7027/5237/files/58900628480.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7505/1424/files/xadefogenudepizoxemaruvi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8648/7455/files/sample_letters_to_judge.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6857/1294/files/barium_sulphate_msds.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4394/5628/files/gumevigemekavolakenagum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5840/5275/files/atomic_structure_quiz.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_off00005b0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B0A | 5516 bytes |
SHA-256: edbb816b25ecfc71444e87a16334e5437543373e5d3ee890ed802c9943b3ff3f |
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font_01_sfnt_off00006da6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DA6 | 12372 bytes |
SHA-256: bf7ce42f4c9ffdeb059c385c17c584810e161032b8a3a7cf1a50af7b264b9400 |
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