MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains numerous links, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text suggesting a lure for software updates. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' strongly indicates the intent to redirect users to malicious sites, likely for malware delivery or phishing.
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=net+framework+3.+5+win+8.+1 In PDF document text
- http://files.hamptonshousewife.com/uploads/1/3/0/8/130814110/berebenirasuwo.pdfIn PDF document text
- http://files.floorsofdistinctionltd.com/uploads/1/3/1/4/131407530/132827.pdfIn PDF document text
- http://files.anexclub.org/uploads/1/3/0/8/130874043/2cce4.pdfIn PDF document text
- http://files.joycelynnhewitt.com/uploads/1/3/0/9/130969192/5520814.pdfIn PDF document text
- http://files.kallistitours.com/uploads/1/3/1/1/131164552/fufefimozukawar_moxugeje.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/1/0433/4691/9579/files/2870577842.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7465/0261/files/48660826758.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6352/5026/files/4937071425.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9899/5864/files/pemaso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8341/5204/files/faxulik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/23582012054.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0256/8609/files/85895108563.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8298/0259/files/dotatu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/2545/4488/files/mepuwitep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5080/3099/files/letigete.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1238/2116/files/fugabitavixovogi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2641/4749/files/53446797791.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2605/4306/files/3189296436.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
🗂 Part of campaign:
anexclub.org
3 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007223.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7223 | 5180 bytes |
SHA-256: b8e737c0a12e271c43a65a0322aa5648becc24306b28fbeec00c5c9d4d5be009 |
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font_01_sfnt_off000083cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83CF | 16076 bytes |
SHA-256: 7222db2cb6df9b5d49a52bb61107ebae4bb488e2343b011fa4c60bd7b8411750 |
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