MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=amartya+sen+biography+pdf'. This URL is presented within the document body, suggesting a lure to trick users into clicking it. The PDF also contains a large number of external links, many hosted on Shopify, which is flagged as a link farm. The primary malicious IOC is the redirector 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.ru/pify?keyword=amartya+sen+biography+pdf In PDF document text
- http://files.teresele.com/uploads/1/3/2/3/132302735/f67ec2f27014de6.pdfIn PDF document text
- http://files.mismacounsellingservice.com/uploads/1/3/1/6/131636655/c7982c8.pdfIn PDF document text
- http://files.assurancetrainers.com/uploads/1/3/1/3/131384300/49141f6a8c583.pdfIn PDF document text
- http://files.hawaiihomeschoolnetwork.com/uploads/1/3/1/8/131856353/sudazo.pdfIn PDF document text
- http://leruluja.gnshs-pto.org/uploads/1/3/1/0/131070711/mosazekalutisegot.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/1/0431/1410/2941/files/81368393225.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3853/0965/files/32225204936.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0862/0701/files/import_json_file_javascript.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8413/6086/files/muzujitinelaja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2353/2195/files/menschen_a1_2_arbeitsbuch_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7321/6412/files/92341400278.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1790/3003/files/97420929462.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4106/8958/files/nuwepadasotumezezuzemudo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3287/7976/files/woxaratenemifubutovelek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1337/3084/files/85375112444.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7160/1817/files/rewixujubazepol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0033/8331/files/dezolivopojoxupexelufafi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9023/1974/files/anterior_approach_hip_replacement_precautions.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_off0000e8f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8F3 | 5652 bytes |
SHA-256: ef9014c53fba7f92f41eec90d5bbc95fd997f2e0ef2064776a4c777b9f93a0ba |
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font_01_sfnt_off0000fc01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC01 | 5052 bytes |
SHA-256: 073f6b7cdcfc245bfd3ae94e8c2dc5fcd702cdba3229944eb93f6e62296174ac |
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font_02_sfnt_off00010c9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C9C | 11780 bytes |
SHA-256: 2b76930266f83b44c5e63f0e995fa155ec2c45a50c00ca74b29c0b6431d42aa2 |
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