MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, characteristic of a link farm designed to improve search engine rankings or distribute malicious content. One of the embedded URLs, 'https://ttraff.cc/pify?keyword=sahasra+ak+arabya+rajani+bangla+pdf+download', is identified as a malicious redirector. While the document body contains text related to downloading PDFs, it is heavily obfuscated and likely serves as a lure. The primary attack pattern involves directing users to potentially harmful external resources.
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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=sahasra+ak+arabya+rajani+bangla+pdf+download In PDF document text
- http://files.alliguem.com/uploads/1/3/0/7/130776592/labobidixewelezuf.pdfIn PDF document text
- http://files.knoxtrailforge.com/uploads/1/3/0/7/130740124/xegiw_suwibopozepulur_tolabure.pdfIn PDF document text
- http://nerud.kajancbd.com/uploads/1/3/1/4/131406086/neginu.pdfIn PDF document text
- http://files.pinetreechalet.ca/uploads/1/3/2/6/132696512/2312335.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/1/0431/2553/8973/files/ruby_pig_latin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9675/1774/files/degerenejefisos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2891/4074/files/vabaruterasofif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9956/9829/files/zanubimeva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7612/4821/files/merusokelufisanajusizuvul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1935/2739/files/belly_fat_loss_workout.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6576/1176/files/notipawowamoke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4684/6107/files/86470094877.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4356/8278/files/duwudevugimo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6568/7717/files/93984257801.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2620/3302/files/90562899505.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8314/4093/files/tapamimemeluvaxulotozo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8358/6974/files/48377406195.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8520/1561/files/37467638560.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://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
- http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005789.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5789 | 5880 bytes |
SHA-256: 32f0379d2ebabbab0a1509c91b6c8efb67dce10fd53d85314a279e2011687d28 |
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font_01_sfnt_off00006b8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B8B | 10688 bytes |
SHA-256: 2eb0e72338fec35806f5325500ccfd83ae394444bef1e8447267a4f7ba5e32ee |
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font_02_sfnt_off00008bf8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8BF8 | 10024 bytes |
SHA-256: fec6275ac08be69205e56bb6259bf8e961453b46689d3433a99fc3e90f9d7d93 |
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