MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a heuristic firing indicating it links to known malicious redirector infrastructure. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, many hosted on cdn.shopify.com. The embedded URL `https://ttraff.cc/pify?keyword=guide+for+primer+gunshot+residue+analysis` is flagged as malicious. The document body, though partially corrupted, contains this URL and other PDF links, suggesting a lure or redirection mechanism. No scripts were extracted from this sample.
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=guide+for+primer+gunshot+residue+analysis In PDF document text
- http://lezezolow.pinerivernewfs.com/uploads/1/3/2/6/132681590/kiligi.pdfIn PDF document text
- http://mugelip.sunshinemanagementmoraira.com/uploads/1/3/1/3/131398140/xogizakigef.pdfIn PDF document text
- http://files.nsiclan.com/uploads/1/3/1/4/131438111/favodasosovakarate.pdfIn PDF document text
- http://files.brittneyowens.com/uploads/1/3/1/3/131378990/dewobadaditudi_sanazoz.pdfIn PDF document text
- http://files.oracleministries.org/uploads/1/3/2/8/132814791/f7a4f.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/1/0431/2317/9677/files/lovufavuragi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0733/6867/files/download_access_database_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4764/1510/files/27519117654.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1374/1472/files/vafapizazawiripu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/89647405972.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6807/0824/files/437800162.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4979/4213/files/melee_spell_attack_5e.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4840/1046/files/cambridge_igcse_computer_science_textbook_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5352/9753/files/advanced_engineering_mathematics_by_rk_jain_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9143/5422/files/number_theory.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4151/2855/files/chart_5011_symbols_and_abbreviations_used_on_admiralty_charts.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9005/9176/files/59891078575.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_off000051dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x51DD | 5588 bytes |
SHA-256: 1cc244cecc676e7f9bde2882fc82ffe0ef654559326eb63ec1e5fedf889e7d39 |
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font_01_sfnt_off000064bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64BD | 10008 bytes |
SHA-256: 73d4c20f6564a86aad933cc51516b11b656ed7b5a64451eef8809361bac2dd67 |
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