MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.ru/pify?keyword=icai+nov+2019+exam+date+sheet'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many hosted on Shopify. The document body, though partially corrupted, contains text related to exam dates and the wkhtmltopdf application, suggesting a lure to disguise the malicious redirection. The primary intent appears to be directing users to potentially harmful external sites.
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=icai+nov+2019+exam+date+sheet In PDF document text
- http://files.potemkinreview.org/uploads/1/3/1/8/131871468/ec3ac03a8.pdfIn PDF document text
- http://mozef.wholesalebedsfurniturecentre.com/uploads/1/3/0/9/130969352/lelimizugupe-sisetixapu-tiraj-retemeve.pdfIn PDF document text
- http://wuzeseg.isoiso.dk/uploads/1/3/0/7/130740112/ruresonizajipi.pdfIn PDF document text
- http://files.practice-field.com/uploads/1/3/1/3/131383743/garulix.pdfIn PDF document text
- http://disebuzax.thepeacefulparadox.ca/uploads/1/3/2/8/132814930/xufumixidejudip-ninoma-nodetupap-nuvof.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/1/0431/5604/5981/files/9436306818.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/1440/1697/files/agadbam_nagara_sonyachi_jejuri_ringtone_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8075/3058/files/sojub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7798/2626/files/fejijavek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9033/7189/files/saxip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5358/0437/files/90755040213.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2920/8992/files/kavikipisapajamagujoso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1511/6696/files/9931479426.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7173/3917/files/gifaxativo.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007fc3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FC3 | 5600 bytes |
SHA-256: 64bd5e09a5b159db441ce05fb57a3868ca40abaec4b1dbc262e258cc03d29a30 |
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font_01_sfnt_off000092a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92A5 | 2320 bytes |
SHA-256: d97e055e11de589539a249dfdf9c15aca1e9caf4700104d1763a3a5d87d8f7f2 |
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font_02_sfnt_off00009cf7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CF7 | 15184 bytes |
SHA-256: d3ff34a86d8bc74226e2674cf31b387d8664abe0fdb18d38812c76cb5927f895 |
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font_03_sfnt_off0000ccd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCD3 | 16356 bytes |
SHA-256: 6985f2f0a4dd0176b5795bbc9f8514e665456f5a23a5dec04bdf67a68168a58b |
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