MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Add-in
T1059.001 PowerShell
The PDF contains a mass of external links, many of which are hosted on Shopify, suggesting a link farm for SEO manipulation. One critical heuristic firing indicates a direct link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=reading+comprehension+intermediate+english+pdf'. This suggests the document's primary purpose is to redirect users to malicious sites under the guise of providing reading comprehension materials.
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=reading+comprehension+intermediate+english+pdf In PDF document text
- http://files.plumbcogroup.com/uploads/1/3/1/3/131398110/ralowa-babelaraburefis.pdfIn PDF document text
- http://files.teresaraineycamper.us/uploads/1/3/1/4/131408103/wuxokix.pdfIn PDF document text
- http://gotojixa.seafieldfarmva.com/uploads/1/3/0/7/130738841/toluperaloki.pdfIn PDF document text
- http://files.sopoochtraining.com/uploads/1/3/2/8/132815961/kawivibugakovuj.pdfIn PDF document text
- http://files.robertnschaeffer.com/uploads/1/3/0/9/130969932/folimerefop-xosil.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/1/0430/3123/2674/files/95359005892.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9220/5978/files/sovexox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0989/1742/files/mapelazidinawubumepajivaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2732/5351/files/24536632931.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6945/6028/files/20195649070.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7896/7703/files/mixotizukexizise.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6162/2437/files/street_fighter_flash.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5837/1496/files/piranokitonalokikame.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4748/3557/files/php_replace_special_characters.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4504/4892/files/dafozepokug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5099/0753/files/6583963393.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3434/5625/files/fallout_new_vegas_jsawyer_mod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8300/5093/files/23423095181.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0382/2755/files/jukipobemekapo.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005e0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E0C | 5576 bytes |
SHA-256: dab7ecb109f9dbf69d8da1ebe83b22bc4a30f9d0a23c9fb72dd2592ccc7ab3a7 |
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font_01_sfnt_off000070e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70E3 | 10604 bytes |
SHA-256: 1f7edcec02e0048e409ca4feb72314c0568e309321cbe7c8c26d98672798ea3c |
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