MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be the primary lure. This URL redirects to a Shopify-hosted PDF, which likely serves as a further lure or a staging point for malicious content. The presence of numerous external links suggests a link farm or SEO poisoning tactic to increase visibility.
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.com/pify?keyword=automata+theory+computability+and+formal+language+pdf In PDF document text
- http://files.newaplusenvironmentalrestoration.com/uploads/1/3/1/4/131406440/jijurumofus-vafedaduveda-jirijapi-mupabetisi.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/1/0428/2250/0518/files/69217308553.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3768/7962/files/borigosazazasazev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5674/2046/files/navasamir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8831/2488/files/simple_freeze_frame_premiere_pro_templates.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5046/6454/files/6632245317.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4012/9692/files/blank_code_page.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4171/6389/files/codex_calixtinus_completo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1536/5031/files/13629692850.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0524/7647/files/11018092380.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8305/4757/files/ayurveda_books_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8331/6891/files/esc_guidelines_cardiovascular_disease_pregnancy.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009435.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9435 | 5624 bytes |
SHA-256: d7a37a49fd578c3a139174a0317139211f319d5fe115b7359c6df610798a0f7e |
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font_01_sfnt_off0000a730.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA730 | 14728 bytes |
SHA-256: e897c1685dfd66528adeb5b0f049f33e779be3d93d0702b381a3bda0b67db39e |
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font_02_sfnt_off0000d6be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6BE | 16364 bytes |
SHA-256: 4e79554028941a6ff6ff45b1a43576dbe885e549c0fd966366c3f3a9a556af5f |
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