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 Shopify. One critical heuristic identified a link to a known malicious redirector infrastructure at `ttraff.cc`. The document body appears to be corrupted or obfuscated, but the presence of numerous links and the malicious redirector strongly suggest a phishing or scam attempt designed to lead users to malicious sites.
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=t%25E1%25BA%25A3i+file+pdf+v%25E1%25BB%2581+kh%25C3%25B4ng+m%25E1%25BB%259F+%25C4%2591%25C6%25B0%25E1%25BB%25A3c In PDF document text
- http://files.stjohntheevangelistcarrollton.com/uploads/1/3/1/3/131398332/3509583.pdfIn PDF document text
- http://files.livingsoulplete.com/uploads/1/3/1/3/131381464/pozukepun-fewapunafijaba-bifuvewadotolik-vuvozeja.pdfIn PDF document text
- http://files.unknowngeniuses.com/uploads/1/3/2/6/132696604/4590500.pdfIn PDF document text
- http://files.uhbauerwomensociety.com/uploads/1/3/1/6/131637240/vexifukumite.pdfIn PDF document text
- http://files.coachscottschemistry.com/uploads/1/3/1/6/131637271/xanogoluzovad.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/1/0433/0687/7080/files/majusotogozarow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5714/3199/files/salujonavafitavizu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9580/0475/files/siwagufaba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8478/3509/files/70470358191.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1504/4252/files/64690261689.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7743/5556/files/reader_extended.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4843/3829/files/addition_of_dissimilar_fractions_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1383/2857/files/rujevirakezejupuja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7055/3250/files/55785323479.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wefudebavisizaku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3410/7286/files/moburerinisetogolevitalok.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_off0000689a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x689A | 6376 bytes |
SHA-256: e6076dddc9c8d16d196f134a3223a1dcdf1dcfbe09ec3e22de51233b3b344014 |
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font_01_sfnt_off00007d02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D02 | 22328 bytes |
SHA-256: 37311899e092bfae155878b6d536c7514b6d919edc56355f6fdaf119c6c2f027 |
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font_02_sfnt_off0000ac9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC9B | 16376 bytes |
SHA-256: c3d0ee408bee49a88931d2ac630a9fb52e88a46fabab5a72aa19e78bbe1d3826 |
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