MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded URLs, with a critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK indicating a link to known malicious redirector infrastructure. Another critical heuristic, PDF_SEO_LINK_FARM, confirms the presence of a mass external PDF link farm. The ML classifier also flagged the document with high confidence. The primary malicious activity appears to be the creation of a link farm, likely for SEO manipulation or to host malicious content.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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.com/pify?keyword=atul+prakashan+books+degree+pdf In PDF document text
- http://files.lesanelesesneunited.com/uploads/1/3/1/4/131453401/sowiseju-javijibufo.pdfIn PDF document text
- http://files.vigocountycrimevictimassistance.com/uploads/1/3/0/9/130969562/boxepebesazelumef.pdfIn PDF document text
- http://files.simmons4house53.com/uploads/1/3/0/7/130740571/0f92152285bd6.pdfIn PDF document text
- http://files.kenanleparc.com/uploads/1/3/1/3/131398091/kopebitifi-lalal-napagojibep.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/1/0434/4558/4033/files/jimmy_howard_contract.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4638/7367/files/demege.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2134/3647/files/wafijizaveka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3095/3627/files/vokadigosu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2177/0657/files/maytag_performa_washer_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3006/0955/files/4658476069.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5731/3957/files/basic_life_support_manual_american_heart_association.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1394/6018/files/gotomibozokuxukogim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2766/8890/files/64111725556.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8974/6337/files/lil_wayne_carter_2._zip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9807/0435/files/dibebevidevigumenilo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1618/3205/files/50498464612.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8230/9029/files/sumagaxivorulejeterexom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3301/6982/files/gejosavojusitarux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6085/3920/files/maxawudunux.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000051e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x51E3 | 5496 bytes |
SHA-256: 977124d824da73474da10de8c424c0eb1e434862a42d1cd83a1381d483712703 |
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font_01_sfnt_off00006489.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6489 | 10468 bytes |
SHA-256: 201553ffc53f1b45a0147c644cf33ce8066dc5c4534cdc40486ff84e13563644 |
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