MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains the same URL, suggesting it's the primary lure. The file also exhibits characteristics of a link farm, with numerous external PDF links, many hosted on Shopify. The ML classifier strongly indicates maliciousness. The primary attack vector appears to be social engineering via a deceptive link within the PDF.
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.ru/pify?keyword=sample+email+for+sending+resume+pdf In PDF document text
- http://files.lifesems.org/uploads/1/3/1/3/131379113/c8bbb.pdfIn PDF document text
- http://files.childrenscoalition.org/uploads/1/3/0/8/130815009/66bbc7448603.pdfIn PDF document text
- http://files.autorematch.com/uploads/1/3/1/3/131383842/1334479.pdfIn PDF document text
- http://xojelawi.nagreeconsulting.com/uploads/1/3/2/6/132681409/webuvupuzuva-gumajovamid.pdfIn PDF document text
- http://seliro.atlasandanchortattoo.com/uploads/1/3/1/4/131437044/fuwuvotaf_sawolajuzizizaf_puwoxulikonupu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0436/4114/3454/files/talubizavawi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0871/1080/files/52576306996.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0062/6325/files/33437881260.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6799/8362/files/pdf_to_paint.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3165/7621/files/tipozamuwo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8344/7968/files/muxefoma.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0057/8723/files/xexilototavewiwijenuka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5294/7873/files/clicker_heroes_latest_version_hacked.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4617/4877/files/microsoft_office_enterprise_2007.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7121/8588/files/95302641749.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9954/6009/files/xulunanemojosex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8289/8840/files/29862781798.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_off0001185b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1185B | 5264 bytes |
SHA-256: 92c3ffbf9d9c854bf51d369439730466986204f7310e13efaae323a78e9bcf62 |
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font_01_sfnt_off00012a1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A1B | 10588 bytes |
SHA-256: d5f3556a97b8424926c90f4f047aae0210c472561a0f2026af2b1380afbe2d44 |
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font_02_sfnt_off00014e06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E06 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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