MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
This PDF document is designed as a lure, presenting itself as a Cessna 172 pilot handbook but containing only an image and a click-outward action. The primary link directs to a known malicious redirector infrastructure at https://ttraff.ru/pify. The document also contains a large number of links to other PDFs hosted on various domains, suggesting a link farm or SEO poisoning tactic. No scripts were extracted, but the PDF structure and embedded links strongly indicate a phishing or redirection attempt.
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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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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 31 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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=cessna+172+poh+pdf In PDF document text
- http://pelurege.tinytouchoflove.org/uploads/1/3/0/7/130740596/28daf.pdfIn PDF document text
- http://files.oiim.net/uploads/1/3/1/0/131070792/suvekefokebati.pdfIn PDF document text
- http://files.bassreevesconference.com/uploads/1/3/0/7/130776864/eac8b0e01878a.pdfIn PDF document text
- http://files.kelleyintegrity.com/uploads/1/3/0/9/130970003/84a094c03d979a9.pdfIn PDF document text
- http://files.middlingsort.com/uploads/1/3/0/7/130776033/84ae225d3d.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/1/0431/7233/1675/files/fikusexotejubipib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0778/6654/files/mogiziwovapilawozanob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2859/4344/files/tejej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fokukivovasogu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5961/8716/files/bin_sachivalay_clerk_model_paper_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6676/9058/files/50586389161.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4583/8232/files/japuripo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6211/6008/files/47308050139.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7344/5792/files/xekitagawizaseka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2913/4487/files/fifumidataxupum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8108/0725/files/90759756578.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8397/2256/files/annihilation_of_caste_in_tamil.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_off00004639.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4639 | 5172 bytes |
SHA-256: ee2e53d43ac633794103ed613a40dc0ae0decbbbc6e3373ff1a7eecee661fc3b |
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font_01_sfnt_off000057df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57DF | 7528 bytes |
SHA-256: 5cc122a80eb9a0008b825e9a8548ab0f6cb62b70dac5ffb396300bb0c030caea |
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