MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=electrical+engineering+drawing+cr+dargan+pdf'. The document body, though heavily obfuscated, contains this same URL, suggesting the primary intent is to redirect the user to malicious infrastructure. The PDF also exhibits characteristics of a link farm, with numerous external links, many hosted on Shopify. The ML classifier 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.cc/pify?keyword=electrical+engineering+drawing+cr+dargan+pdf In PDF document text
- http://files.kristysfineart.com/uploads/1/3/0/7/130775607/98397116870.pdfIn PDF document text
- http://files.supercoltguitars.com/uploads/1/3/1/4/131438188/teramesiben-bogeninezikiri.pdfIn PDF document text
- http://gutimopol.henrikbechseeberg.com/uploads/1/3/1/4/131406082/diziwirifejup.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/1/0429/5062/3385/files/8368763836.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6881/7562/files/dolawufajo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/93527538138.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3191/0821/files/91986484014.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5214/5560/files/think_like_a_man_free_movie_online.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8197/4435/files/catia_v5_surface_modelling_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9681/0396/files/kotepeveduxox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3796/5986/files/35578245100.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tiwimuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7850/6904/files/89986334329.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5106/5243/files/7139671813.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2469/4942/files/tevuganefavefipogefil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7519/0430/files/business_intelligence_for_dummies_swain_scheps_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1381/5966/files/ejercicios_condensadores_en_serie_y_paralelo.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_off0000e2bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2BC | 5192 bytes |
SHA-256: 8b2de3e4ebee95c0dc7092602f1252e2a806706fa276807b8178c5e1270843cb |
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font_01_sfnt_off0000f485.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF485 | 10144 bytes |
SHA-256: 5de50a6d03967309a9f0afd01f5cf5c4c6ff672a17059b0533e6f795d8ca9418 |
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font_02_sfnt_off0001174b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1174B | 16320 bytes |
SHA-256: e16707daab708f3d66031eb6687efba0cda950e88156e2d650207b89676e0106 |
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