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 Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which is disguised as an IELTS vocabulary list. This indicates a social engineering attempt to drive traffic to malicious infrastructure. No scripts were extracted from this sample.
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=ielts+general+reading+vocabulary+list+pdf In PDF document text
- http://files.magnoliawoodpool.com/uploads/1/3/0/7/130740375/wagak-teridiguguso-puboxesiguxipes.pdfIn PDF document text
- http://files.empowerednation.net/uploads/1/3/1/4/131453406/zuraripedigogenuxo.pdfIn PDF document text
- http://files.texascoastalexchange.org/uploads/1/3/1/8/131856435/c9b4c4d2b.pdfIn PDF document text
- http://sovezaf.onshortfinal.com/uploads/1/3/0/7/130739024/detujejuzidakamin.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/1/0438/4374/7990/files/datisopebivodovukevolag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3640/8982/files/55105082879.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8404/4705/files/james_patterson.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/1323/2024/files/titan_air_compressor_parts.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0849/0663/files/defekasomulotelepoluw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4077/5064/files/23077168291.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vuxevitilikibuvenimomabu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3962/9218/files/14975488767.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7061/1861/files/wevuzakonimiduzalu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/5034/9223/files/junkers_gas_calorimeter.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4162/8053/files/dorifujox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/75904593322.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0465/6790/files/gakovomik.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008377.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8377 | 5564 bytes |
SHA-256: 40434e50adf1559c07c054cdaee354c637494925b112b8720cfc7dbd31501638 |
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font_01_sfnt_off00009672.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9672 | 6916 bytes |
SHA-256: d814736dbc98560419e3b7148f703939c15a79d600ec909fe7aaa4b11b74bfef |
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font_02_sfnt_off0000ae78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE78 | 15132 bytes |
SHA-256: b3881abd560486b65ee847ab342821f8bec36f819f2aea69b98411b5c1ac593d |
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