MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, a technique often used to create link farms for SEO manipulation or to obscure malicious destinations. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which is part of a larger link farm hosted on Shopify. The document body, though heavily obfuscated, contains text related to 'Hd wallpapers for android mobile free', suggesting a lure to attract users to click on the malicious links.
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=hd+wallpapers+for+android+mobile+free In PDF document text
- http://files.conor-ryan.com/uploads/1/3/0/7/130739116/neduzidi.pdfIn PDF document text
- http://files.cherylannhillsartist.com/uploads/1/3/1/4/131454116/lijure-zisasedafatux-sepax-gonizev.pdfIn PDF document text
- http://files.thethinkingnurse.com/uploads/1/3/2/7/132710717/7fc42d41af6305.pdfIn PDF document text
- http://files.adamfranklinblues.com/uploads/1/3/2/7/132741486/dff63a895d21c.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/1/0429/5173/7498/files/12666948618.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5397/2633/files/guxelibanixotusavetodijef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0921/1549/files/42303662792.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5036/0232/files/19206270537.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rejupabofutub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4464/2715/files/nigofugemikabexiroz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4504/4892/files/vafawiwisibotomo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8260/3927/files/29780078567.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6986/6141/files/17395450530.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2371/8824/files/voxigixonewerusa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8320/9631/files/goxikekovojegimijimu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/satofekefekuwozavobijogut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4152/9754/files/44579114333.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4884/3934/files/duwokagivebanul.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_off000071b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71B9 | 5088 bytes |
SHA-256: 77afc5940d9a6d69a32084a70cd1567f8a2313074810711b3cf412f1a64fda38 |
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font_01_sfnt_off000082e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82E8 | 12344 bytes |
SHA-256: 4078d30adeac5eb8876d9e10958fae78e697b0b6305d530f353b9069d2a7f7ea |
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font_02_sfnt_off0000aa78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA78 | 16164 bytes |
SHA-256: f469c5aa689aa4c1965481b78cfaebbf1c3ebdad2306c7067134b7b4aaa0addd |
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