MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com, likely for SEO manipulation. One critical heuristic identified a link to a known malicious redirector at ttraff.com, which is disguised as a free PDF download. The document body contains obfuscated text and URLs, suggesting an attempt to disguise the malicious intent.
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=english+speaking+lessons+pdf+download In PDF document text
- http://mulelizo.queerbuttons.com/uploads/1/3/2/7/132740580/xalatoxozagonorom.pdfIn PDF document text
- http://files.fhacaurora.org/uploads/1/3/1/4/131409794/wotawefigajatisik.pdfIn PDF document text
- http://files.iolabaptisttemple.com/uploads/1/3/1/8/131856705/2796867.pdfIn PDF document text
- http://files.grcaroling.com/uploads/1/3/2/6/132695329/9ca6c82ce2.pdfIn PDF document text
- http://files.gkamp.net/uploads/1/3/1/6/131636845/betezedetivale-wajegamejeputuk-kosodeposavakal.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/1/0434/7019/2802/files/kigixemo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4648/3606/files/47108327809.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3384/4119/files/pezubajezesoroxolo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2693/1099/files/ball_lightning_cixin_liu_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2813/5591/files/61002728666.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9228/6363/files/xuteguf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4995/7029/files/xijorigotepitep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3469/6097/files/77646750344.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4098/7543/files/19024749842.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/9506/8565/files/microsoft_excel_cheat_sheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0313/9480/files/surface_area_and_volume_of_cuboid_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3427/0117/files/72397548306.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4630/4920/files/gegogisilubexunuta.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2407/9254/files/19106851350.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000677f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x677F | 5320 bytes |
SHA-256: d0e68aae5a5c771195ad158f637ec56488e32ac206f9700766c13a077c1e7dd5 |
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font_01_sfnt_off000079a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79A9 | 10088 bytes |
SHA-256: 79e85cd7fffcae55d74f5700997f77f251974f2f4fb50869b577635d9bed00cb |
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