MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirection and a link farm, with a primary URL pointing to a known malicious redirector. The document body, though heavily obfuscated, contains references to the malicious URL and several benign-looking PDF links, suggesting a social engineering lure to install a browser update or extension. The presence of numerous external links, many hosted on Shopify, indicates a link farm strategy to obscure the true malicious destination.
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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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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.com/pify?keyword=google+chrome+auto+update+disable+android In PDF document text
- http://files.laythedraw.net/uploads/1/3/0/8/130813516/4582280.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/1/0438/4414/1218/files/surah_ayatul_kursi_bangla_translation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5166/3012/files/buchungsstze_bungen_mit_vorsteuer_und_umsatzsteuer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6488/5402/files/19277717008.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8341/5204/files/90833380962.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4085/8527/files/pafumosojax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5840/5276/files/22123208382.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0460/9877/6228/files/chrome_portable_offline_installer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2282/8198/files/cbse_maths_book_for_class_4.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2130/2935/files/28548929586.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3767/7989/files/husqvarna_340_chainsaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9691/4587/files/33365441813.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6495/0945/files/kinerivumokudif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4123/2795/files/88207710053.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7952/2714/files/kipoxibakaludidixuv.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_off00006236.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6236 | 5656 bytes |
SHA-256: 742adca5d4b2ea8f9f2d00f018eb967dbe7912149362e1494bfbacba5d2bcb5b |
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font_01_sfnt_off00007547.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7547 | 10524 bytes |
SHA-256: 692c426cdabbfbb3818739f02e1deb43f4d953edf2be90f0bf42d90a3c239e10 |
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