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 pointing to a known malicious redirector. The document body text, though garbled, includes the phrase "Bitumen extraction test pdf", likely a lure to encourage clicking the malicious URL. The ML classifier strongly indicated maliciousness, and the presence of a link farm further supports a malicious intent to redirect users to harmful content.
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.com/pify?keyword=bitumen+extraction+test+pdf In PDF document text
- http://files.fdthornton.com/uploads/1/3/2/7/132740462/xomiti-mulolibarofidit-lelevewifodo.pdfIn PDF document text
- http://relewiri.bttau.com/uploads/1/3/0/7/130776445/kugogakij.pdfIn PDF document text
- http://files.antiochdays.com/uploads/1/3/1/6/131606128/mefotamunepebep_rudesulelolub_lugisu.pdfIn PDF document text
- http://files.mintconditioncoinringcrafters.com/uploads/1/3/1/8/131857916/708146.pdfIn PDF document text
- http://files.ctni.org/uploads/1/3/0/8/130813841/kelizetikuvibi.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/1/0428/1932/2022/files/jalixad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8023/6702/files/mofagogegusa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6655/5556/files/dexerexekunagetapoba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8056/4392/files/miginesopap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3482/1287/files/67535697455.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4146/5244/files/single_stranded_dna_virus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9014/0572/files/anne_ancelin_schtzenberger_ae_mes_aeux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7185/5002/files/cos_in_exponential_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0849/1673/files/field_and_wave_electromagnetics_cheng.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9731/7783/files/xewiforojute.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6060/6616/files/unamused_face_text.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1405/4300/files/31154170301.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_off000063e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63E0 | 5384 bytes |
SHA-256: a3ec7dbdd165e263f5066e4da51ffc74194aa6a058cfc297dc94a5573c8ba540 |
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font_01_sfnt_off0000761c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x761C | 14520 bytes |
SHA-256: e5df8aea9596cf63291d3cd2587caef3a4e345f4c67dc1ba5cb7ea1c4aef4634 |
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