MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The sample is a PDF document that contains numerous embedded links, many of which point to a redirector service. The heuristic 'SE_PAYMENT_REDIRECT_LURE' strongly suggests a business-email-compromise pattern, where attackers impersonate legitimate entities to trick victims into changing payment details. The primary malicious URL identified is https://ttraff.ru/pify?keyword=callan+method+stage+9+10+pdf, which is also flagged as a malicious redirector. The document body, though heavily obfuscated, contains this URL and other PDF links, reinforcing the lure.
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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Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LUREDocument describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
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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=callan+method+stage+9+10+pdf In PDF document text
- http://files.purrfectpalsadoption.com/uploads/1/3/0/7/130775380/4258984.pdfIn PDF document text
- http://mewibax.mylearninginwolfcreek.ca/uploads/1/3/1/0/131070374/3162081.pdfIn PDF document text
- http://files.lamosproductions.org/uploads/1/3/0/8/130873717/1a7b7e1baac280e.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/1/0437/7614/7607/files/determinant_of_matrix_calculator.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9676/8661/files/lojufijojikupajipu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2868/4701/files/sejoxek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3146/0002/files/pharmacotherapy_casebook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0324/7781/files/31980879286.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8259/6000/files/16_week_squat_challenge_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1411/1903/files/wikusijebevu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1864/8732/files/48208147473.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1819/6891/files/90923379.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3485/9930/files/6th_grade_geometry_worksheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4669/9165/files/berger_color_chart.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3964/6108/files/word_remove_all_emojis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/9224/2588/files/nobomupemojibejurevi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1642/1529/files/gatidogerejuza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4338/9597/files/xupezukuzomizini.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_off00006411.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6411 | 5612 bytes |
SHA-256: a21c7b799c9c6ab39b49ddf08e6f896895e948ceda8469d243a2a7a8bdbb2768 |
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font_01_sfnt_off00007703.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7703 | 10828 bytes |
SHA-256: 5bfc5a9b201ae6f57b5806bfcaa397f8017f08cf46344498e54fe55404d6b038 |
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