MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with many links pointing to benign Shopify domains but one critical link to a known malicious redirector at 'ttraff.cc'. The document body, though heavily obfuscated, contains the same suspicious URL, suggesting an attempt to disguise malicious content as a worksheet. The presence of numerous PDF links indicates a strategy to distribute content widely, potentially for SEO poisoning or to obscure the primary malicious destination.
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/wb?keyword=geometric%20mean%20triangles%20worksheet%20pdf In PDF document text
- http://files.ryanballonlineportfolio.com/uploads/1/3/1/3/131380397/8569208.pdfIn PDF document text
- http://files.danceology.ca/uploads/1/3/0/8/130874257/3f7514213102ea5.pdfIn PDF document text
- http://files.duanebrownlaw.com/uploads/1/3/1/4/131483253/2887604.pdfIn PDF document text
- http://doxozok.summerfry.com/uploads/1/3/1/6/131606201/lilelesajodifaza.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/1/0428/7689/5398/files/sivagafasizeki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4929/5776/files/tabofawi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6511/4775/files/43876770844.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2451/5229/files/80623868724.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6345/9496/files/genowimoviridag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4877/2508/files/89406373198.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/3890/4218/files/micelles_chemistry.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9830/0823/files/demezimepezujutomeripisu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6077/2515/files/kejakejimogupa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4388/9052/files/rockwell_and_brinell_hardness_test.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7303/4658/files/causative_form_exercises_b2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5505/5002/files/zasemewibubo.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_off00006122.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6122 | 5544 bytes |
SHA-256: a07bf8786dc10c3a4ca5c2ec98f8280a2ebf845a93261229d82fde149e8c156a |
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font_01_sfnt_off000073e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73E6 | 10412 bytes |
SHA-256: 87b5fe3e492f5d844d23ce2109defebd49f8e724d2077ab22bf0b5c6b4f8f714 |
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font_02_sfnt_off000097c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x97C2 | 16072 bytes |
SHA-256: 062f8a7185608a18dbd56baf48eb14c791e3c6ea8866a2ddd6a03467109098f1 |
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font_03_sfnt_off0000ac61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC61 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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