MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to ttraff.com. The document body, though heavily obfuscated, contains the same URL and text suggesting it's a lure for 'plan de auditoria interna ejemplo pdf'. The presence of numerous external PDF links, many hosted on Shopify, further indicates a link farm or redirection strategy. The ML classifier also strongly flagged this PDF as malicious.
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=plan+de+auditoria+interna+ejemplo+pdf In PDF document text
- http://files.imadeaver.com/uploads/1/3/1/0/131071043/39df4f4b665.pdfIn PDF document text
- http://vanog.spikeofalltrades.com/uploads/1/3/1/4/131483200/sezerexakebiwod-valet-serije-gamaguwo.pdfIn PDF document text
- http://files.paternosterproductions.org/uploads/1/3/2/6/132681647/1132609.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/1/0435/4169/2567/files/20853040346.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8451/3440/files/minecraft_forums_shaders.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8297/2326/files/sewujutawafevama.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8580/0358/files/21161384571.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2499/7800/files/dabamizafagadodemegir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3485/4051/files/medifixokew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rodol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8991/1194/files/bakifu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0423/9770/files/ankle_sprain_exercises_nhs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/3577/6408/files/afcat_exam_preparation_books.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2272/0922/files/dragon_age_arcane_warrior.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5026/9849/files/22979040445.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000098e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x98E5 | 5088 bytes |
SHA-256: 436a83cc4c5633f06625510c20c8aadd6877088f606b96ba509c4ab21f7fead3 |
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font_01_sfnt_off0000a9e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA9E2 | 6168 bytes |
SHA-256: 9857c94a8075f63bd19945fab8d021764579c4fd6569a81599841c1724c18950 |
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font_02_sfnt_off0000b8c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8C9 | 10692 bytes |
SHA-256: 146319e20020e5b94447152dc4a66041204976be1c639165cc0780f3e64c9362 |
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font_03_sfnt_off0000dbd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBD4 | 16312 bytes |
SHA-256: 531e37f64a2e7dc3bfb257675d9e6c644c7b1597f33ba9a969cd005a7ed65660 |
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