MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/wb?keyword=non%20mutually%20exclusive%20events%20worksheet%20pdf'. This indicates a social engineering attempt to trick users into clicking the link, likely for a phishing or malware distribution purpose. The document body, though heavily obfuscated, also contains the same URL, reinforcing the malicious intent. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to increase visibility and lure victims.
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/wb?keyword=non%20mutually%20exclusive%20events%20worksheet%20pdf In PDF document text
- http://files.highgrundoncottages.com/uploads/1/3/1/8/131871488/2191395.pdfIn PDF document text
- http://luzadetej.nsanys.org/uploads/1/3/1/4/131454526/8346314.pdfIn PDF document text
- http://files.usafortunae.com/uploads/1/3/1/3/131384070/lipelo_padisiduvag_wewemudekufozis_vegowuperev.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0431/5342/4540/files/maraketovuwozumolede.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9291/1007/files/11925170570.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1262/0447/files/rimagotutovopekitarudip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13977314479.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0911/2226/files/86160364217.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6330/3575/files/biologics_in_dermatology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8830/6586/files/articulos_de_alcoholismo_en_mexico.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5981/3279/files/69965630389.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7096/3350/files/35339183341.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/doxufuvezemog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3431/9776/files/vidipudizu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0637/7632/files/69167012545.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0778/6657/files/84172304305.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000505f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x505F | 5632 bytes |
SHA-256: f4af367ccf6267531cf406065825788e000efd4e4fc5db4a4133a956f673b1f1 |
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font_01_sfnt_off00006373.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6373 | 12972 bytes |
SHA-256: 01f8c5dbcf2c1397a31cf705c92891e9e6b6fa7638f10f56bc4ffba11d98fc67 |
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font_02_sfnt_off00008cb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CB7 | 16112 bytes |
SHA-256: bbb4928b2c5a50c0832ecd6ebb1362cd2d714bbe3e9ddae61164af3ebb87f482 |
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font_03_sfnt_off0000a195.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA195 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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