MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, with the primary link pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=balkanski+ratovi+knjiga+pdf' which is likely intended to lead the user to a malicious site. The presence of a large number of external PDF links suggests a link farm or SEO poisoning tactic to distribute malicious content.
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=balkanski+ratovi+knjiga+pdf In PDF document text
- http://files.d-93constructionupdates.com/uploads/1/3/0/9/130969151/xawagapopipuxa_kilefupi.pdfIn PDF document text
- http://files.pierceplayers.org/uploads/1/3/0/8/130874655/5141163.pdfIn PDF document text
- http://files.advanceprolighting.com/uploads/1/3/1/3/131398334/vowopad-pujiwanosijeru-kotikesolore.pdfIn PDF document text
- http://files.alphafitnessclub.com/uploads/1/3/1/1/131164132/videfazagulo-zifedenixaf-damowoguviv.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/1/0433/0687/7080/files/12339474235.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1935/3767/files/89591182395.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3401/6924/files/39853558592.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/1597/4561/files/meaning_of_market_economy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3798/1852/files/12138252311.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1165/3277/files/bodas_de_sangre_simbolos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8396/4324/files/51076038244.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/6785/4248/files/difference_between_organic_and_inorganic_compounds.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4584/6168/files/kaworu_x_shinji_doujinshi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0695/0558/files/48089579914.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7141/3160/files/86311471896.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7944/8216/files/10055748366.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9468/8423/files/gamevepul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/safuginogatujato.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_off0000470c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x470C | 5456 bytes |
SHA-256: a506fe590341014b3e7f387a059a45aeb0a250a7bc1c5ddaf29b79414a3bcf81 |
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font_01_sfnt_off000059be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59BE | 9324 bytes |
SHA-256: 0136a47f44b06ad49a45ef9f111e35c8e59f772e6c41fe655fed3f55318ea936 |
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