MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains text fragments and URLs that suggest a lure, potentially for phishing or malware delivery. The presence of both a redirector link and a link farm indicates an attempt to obscure the final malicious destination and potentially engage in SEO manipulation for broader reach. The SE_MFA_LURE heuristic further suggests a credential harvesting motive.
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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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=itext+add+png+to+pdf In PDF document text
- http://files.circleofwealthgroup.com/uploads/1/3/0/7/130775939/dumakizomek-mafaja-majavedisufupu.pdfIn PDF document text
- http://files.ruportpt.com/uploads/1/3/2/8/132814930/verixovav.pdfIn PDF document text
- http://files.rebeccakightlinger.com/uploads/1/3/1/3/131378950/4289301.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/1/0431/0115/9575/files/buchungsstze_bungen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sujufizolotedugogu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1471/7597/files/buteluwarupumipuvofibuban.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7442/7806/files/lajisaxusomozigamanaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3576/1576/files/wuxurizumomijawo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9476/1877/files/biditulef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3680/3233/files/farapun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5865/8469/files/free_minecraft_gift_codes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3088/0162/files/bebupulofezobakobijad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0491/8941/files/zezupi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9923/5228/files/80489693116.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7826/2689/files/gesikifinakejesow.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_off00005f8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F8B | 4908 bytes |
SHA-256: af6d5bc77a630e131a08af3c87f5ab6979977bc13138d4af2e2d10ae2fc347c1 |
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font_01_sfnt_off00007062.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7062 | 9980 bytes |
SHA-256: 9cdd43beedc1dc62084f94840aa166520ce69ef5c2ffebb74058552a91a91443 |
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font_02_sfnt_off000092c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92C4 | 16164 bytes |
SHA-256: e296a61d2d303e35be9e1a35631556663d2780498efa7e8f3867bf557f172fe6 |
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