MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file exhibits characteristics of a link farm, containing numerous embedded URLs. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=barlow+condensed+bold'. The document body also contains obfuscated text and references to the 'wkhtmltopdf' tool, suggesting it was programmatically generated. The presence of many external links, including one to a malicious redirector, indicates a probable attempt to lure users to malicious content or manipulate search engine results.
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=barlow+condensed+bold In PDF document text
- http://files.teachingkidstothrive.com/uploads/1/3/1/8/131856715/8596130.pdfIn PDF document text
- http://bimabilo.kibafreemanart.com/uploads/1/3/1/4/131437508/vigawejurobenu.pdfIn PDF document text
- http://buvisipo.kavkid.com/uploads/1/3/1/0/131070313/xupake_titeruteg_minojanenukuk_zebotaw.pdfIn PDF document text
- http://files.postplumbingheatingandair.com/uploads/1/3/1/8/131872298/67553204c47.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/1/0428/5222/1091/files/95059779127.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1361/1413/files/poxoputevovoxikobifoni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/3535/0424/files/carbon_black_sensor_removal_tool.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8126/0440/files/xefakusegubosuzerape.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6197/6994/files/dexemajin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1949/9682/files/99274690626.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5591/3879/files/career_path_electronics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6182/1083/files/71202199622.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9222/9797/files/60185027527.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8499/5991/files/1602428898.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/83260340608.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6753/9623/files/zeretarefeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/suramagufumaxuragozud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0459/0452/7514/files/javatpoint_core_java_tutorial.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_off00006208.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6208 | 13968 bytes |
SHA-256: 83e6c11f4d4c093b91417760ab57415e68a4fb4000b406963557b8f82330e051 |
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font_01_sfnt_off00008f2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F2B | 5216 bytes |
SHA-256: 7186e571dcd9b43b50c784ee04552c87f24f636a715ec5d58f44e3e7674de4f6 |
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font_02_sfnt_off0000a0fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA0FE | 13976 bytes |
SHA-256: 9b8c40622a743a61d70a18566ed6c0e4346926bdc3f3b2849dbe1d33d5a07868 |
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