MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1566.002 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, ttraff.com, which is likely used to serve further malicious content. The document body, though heavily obfuscated, 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 designed to improve search engine ranking for malicious lures.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=medical+certificate+for+leave+pdf+download In PDF document text
- http://files.nikkiallred.com/uploads/1/3/0/7/130738889/fogobobexukud.pdfIn PDF document text
- http://files.forzegym.com/uploads/1/3/2/6/132680813/9505249.pdfIn PDF document text
- http://tipok.jangraypianoartstudio.com/uploads/1/3/1/6/131606875/08ab3d9f5e7d38.pdfIn PDF document text
- http://files.motherwrenstudio.com/uploads/1/3/0/8/130873921/4dab5.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/1/0434/2012/3293/files/solidworks_advanced_drawing_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8404/4705/files/partnership_agreement_contract.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7456/7843/files/21822048773.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9755/4084/files/39141832393.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4227/5479/files/vuwimarubode.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2890/4093/files/78335466429.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1753/4629/files/63565591530.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7215/0947/files/5465414042.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3152/6561/files/10245323451.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3272/1046/files/nobof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4251/2802/files/castillos_de_cartn_almudena_grandes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7133/1742/files/nortel_phone_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/61286624564.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_off00007b33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B33 | 5128 bytes |
SHA-256: 79522ea739cc815f1bcdc1c4092efded3931f16d9d54585480089cff09b0aa01 |
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font_01_sfnt_off00008cd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CD8 | 10076 bytes |
SHA-256: c554e478ac083076ffd609e2c673e317976242efef53969cf965c4fb87a6d18e |
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