MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains multiple embedded links, with one pointing to a known malicious redirector. The document body text, though partially corrupted, suggests a lure related to downloading free books. The presence of a call-to-action button further supports a phishing or malicious download attempt. The file is likely part of a link farm or SEO poisoning campaign to drive traffic to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=psychology+books+in+telugu+pdf+free+download In PDF document text
- http://files.brisbanetapstoiletsanddrains.com/uploads/1/3/0/9/130969298/66e129b28.pdfIn PDF document text
- http://nubosigo.amariejphotography.com/uploads/1/3/1/4/131453177/484416d7ed6c18.pdfIn PDF document text
- http://files.theevillageapothecary.com/uploads/1/3/0/8/130874050/6193403.pdfIn PDF document text
- http://jejabovik.mirembegirlsvocationalcentre.com/uploads/1/3/1/0/131070450/zubapowiramivo_nawurogirekam_vuwemiwiwebelak_pekilogidanezi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8565/2375/files/xifosikalulip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7362/6524/files/janavirewezelofi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2567/7982/files/sidetelox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5387/5357/files/86596034350.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4575/6833/files/77570706862.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4927/7845/files/nemufokaruge.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7786/0516/files/gulaxudelunibuxonum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4517/4939/files/2482674842.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8249/0791/files/kimutobexurojinerit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8039/9513/files/jodibetokokuvasidu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3309/1480/files/poxefunutonobawebowo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7033/8725/files/miputawixobegevexebosob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5637/3659/files/deductive_reasoning.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9408/1687/files/69038422547.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000867b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x867B | 5816 bytes |
SHA-256: 5c0fc4a7be63f57b7bfc7bea274b5afd72e1b5c41fc384a2b81a3f002ecf7afd |
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font_01_sfnt_off00009a53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A53 | 4312 bytes |
SHA-256: 6f20dd902382d2eb06ea0b114391faab9daf93e1c95b3daaa89e7971b899445a |
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font_02_sfnt_off0000aa64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA64 | 10788 bytes |
SHA-256: 9f40701107494051413a41abb2613ea83837112c002d8aabc1a9eea6e9d02dff |
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