MALICIOUS
274
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, with one critical link pointing to a known malicious redirector. The document body, though obfuscated, contains URLs that are part of this link farm. The presence of a 'Password-protected archive lure' heuristic suggests that the linked content may require a password, a common tactic to bypass security scanning. The primary attack pattern involves redirecting the user to malicious infrastructure via the embedded link.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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=guided+access+on+macbook+pro In PDF document text
- http://files.archid.net/uploads/1/3/0/9/130969656/risuzixinu_verunesejok_nadevepepevuloj.pdfIn PDF document text
- http://files.deyrecreativedesignsexpressions.com/uploads/1/3/0/8/130874012/fudalobamibu.pdfIn PDF document text
- http://files.wayneswindow.com/uploads/1/3/0/8/130814297/nukilipiwegopup.pdfIn PDF document text
- http://xifeseb.jenniferdanahart.ca/uploads/1/3/0/9/130969940/soboliviresebojotu.pdfIn PDF document text
- http://files.lazarlab.org/uploads/1/3/1/6/131636845/ribejax.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/1/0435/6761/2065/files/quiz_nested_numbers_6-_10.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4274/2167/files/80536748187.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0922/0501/files/wazitinamedegoduluzeka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2127/9138/files/95275302993.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7666/4998/files/honda_generator_repair_manual_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2009/7448/files/42481260945.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5575/9011/files/zarevozopav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xoperesotojazi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3033/0016/files/ascendance_trilogy_book_1.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9010/7815/files/project_management_flight_plan_template.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_off00006a6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A6B | 5420 bytes |
SHA-256: d199111dfe41b33fe0fc8b8a7600be2347fe0c93340c382883d89ad254d763e0 |
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font_01_sfnt_off00007cbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CBE | 10296 bytes |
SHA-256: f24b7b0b10a02aae238b670b3f6cc3ed7366aeed04d97a74e406f2694c919168 |
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