MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.001 Malicious Link
The PDF file contains a heuristic indicating it is a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=cascading+style+sheet+syntax+in+html'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, including one hosted on Shopify. The document also employs a social engineering lure, instructing the user to install a browser extension or update to view content, which is a common tactic for credential theft or malware installation. No scripts were extracted from this sample.
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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=cascading+style+sheet+syntax+in+html In PDF document text
- http://files.promablocks.com/uploads/1/3/1/1/131164488/94339d54b701ff.pdfIn PDF document text
- http://files.pshigodagirlsfarm.com/uploads/1/3/0/8/130815137/gonikalugazav-safirewoj-jafazebum.pdfIn PDF document text
- http://files.imagine2020expo.com/uploads/1/3/0/8/130874097/19aee.pdfIn PDF document text
- http://files.republicoftexans.com/uploads/1/3/0/7/130775825/8330047.pdfIn PDF document text
- http://files.honorflowers.com/uploads/1/3/1/4/131413766/viriboz.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/1/0435/9297/4499/files/actividades_de_la_defensa_nacional.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6737/4758/files/tajur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6972/5080/files/sojupaxudejufube.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0567/2597/files/tajaxetenupiwafufivoxotek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7783/6702/files/91812739920.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3491/8558/files/sepewuvonulesizur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8855/7718/files/types_of_communication_with_references.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8910/7869/files/87556482493.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2054/8253/files/96125990392.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1674/1283/files/fury_prot_build.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vibemegabixowosepabotabux.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_off000110c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110C9 | 5332 bytes |
SHA-256: 78fb98e7323242022919b7fdb9f13ea3d9e2e233da3c91937e0b21eae1c01027 |
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font_01_sfnt_off000122c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122C5 | 16544 bytes |
SHA-256: 734cb9bc4b870b324f646f219bc1054dcf4fd1caf714aae25dca4bdd7438dfa5 |
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font_02_sfnt_off00015630.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15630 | 16092 bytes |
SHA-256: 2c5f1a2e3d9f683f6a217a47aeaaae813f7d4ef732a5ff54a929695507d09140 |
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