MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, including one pointing to a known malicious redirector at ttraff.com. The document body, though partially corrupted, suggests a lure related to a book summary. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the presence of a link to malicious infrastructure, and PDF_SEO_LINK_FARM indicates a large number of external links, likely for SEO manipulation or to obscure the malicious destination. The primary attack pattern involves tricking the user into visiting the malicious URL.
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=dilemma+of+a+ghost+summary+pdf In PDF document text
- http://files.pocketinstructor.co.uk/uploads/1/3/0/7/130738993/vowapadijup_nadatufupabe.pdfIn PDF document text
- http://duxizazod.cityskyflooring.com/uploads/1/3/1/4/131453109/nefifenakeleva-mebibofojeleka-vagetavavig.pdfIn PDF document text
- http://jogetajox.theuglymugs.com/uploads/1/3/1/3/131380485/wikagok.pdfIn PDF document text
- http://files.coyleparker.com/uploads/1/3/0/8/130874324/veradereraduzuv.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/1/0432/0670/5316/files/nolejefojifaredakenef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2919/9005/files/nakejafuvevebom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1734/6965/files/pukakazukumep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0175/6323/files/78814882891.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9892/2392/files/57725622610.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6768/6556/files/agilent_hplc_software.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6775/2099/files/jevumexo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2117/2897/files/jigebed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9452/2518/files/litabotogi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9040/1687/files/rizufizileloz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3579/4344/files/jelidenugenejalavupogaber.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/8690/9341/files/learn_japanese_workbook.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_off00006c7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C7E | 5556 bytes |
SHA-256: e2e485afb4ea518844ffe25109f102dc98c7820faff83a5296c9296c022dc165 |
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font_01_sfnt_off00007f4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F4A | 10248 bytes |
SHA-256: cd2e1746ef9464c293b4d0c1fd7cee8ba2b3d23da39df2ef2e698a42fe85188f |
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font_02_sfnt_off0000a289.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA289 | 19608 bytes |
SHA-256: 4d7f92d3b57a202160909f035ae3fc5ff12124f39f067b5d551c5aa0129cff68 |
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