MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, also contains the URL of the malicious redirector. The presence of a large number of external PDF links suggests a link farm or SEO manipulation tactic, potentially to distribute malicious content or improve search engine ranking for malicious 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=surah+ayatul+kursi+in+arabic+pdf In PDF document text
- http://vejatisir.egfhc.com/uploads/1/3/2/3/132303382/7971862.pdfIn PDF document text
- http://files.vetcliniceh.com/uploads/1/3/1/4/131437085/koboraxubuniwa_kajesa_pabunuminori_vovov.pdfIn PDF document text
- http://files.jakegrahamphotography.com/uploads/1/3/1/3/131381003/57b7755a6c10.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/1/0428/5107/4214/files/uverse_channel_lineup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7713/1683/files/american_sportworks_parts_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5952/8355/files/27589671882.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6496/5782/files/kazolobuzakagu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51098187394.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1514/3587/files/vebafebe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9207/3895/files/ford_taurus_repair_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4803/4716/files/97112796209.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4573/9941/files/koxuvudinefupebamuri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6653/0728/files/refokogezowipapojitozi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6987/4080/files/5_point_likert_scale_questionnaire_sample.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9664/6556/files/javascript_sort_array_of_numbers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4392/1820/files/aesthetics_in_product_design.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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 |
|---|---|---|---|
stream_005_off0000a6f4.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xA6F4 | 24680 bytes |
SHA-256: 44a57138d8259a815dfd3506fa8d5c8752192f16afe43db1903a39263526093a |
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font_00_sfnt_off00006e3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E3F | 5652 bytes |
SHA-256: 8622d42338453f797615c6860253c1c1899dfaa68d0051ad7394a1bf6acbfd71 |
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font_01_sfnt_off00008174.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8174 | 11676 bytes |
SHA-256: 2b4d69b3c791f3c1c8df143df367a972b51c144fee443900ccf0ae25fdc17754 |
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