MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to redirector infrastructure, specifically identified as a malicious redirector by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the URL https://ttraff.ru/pify?keyword=barcode+scanner+app+android+free, which is also flagged as a malicious redirector. This suggests the document is part of a phishing campaign aiming to redirect users to malicious sites under the guise of offering a free app.
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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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=barcode+scanner+app+android+free In PDF document text
- http://files.micasitarentals.com/uploads/1/3/1/4/131406744/tibitu.pdfIn PDF document text
- http://tugul.rudkin-genes.com/uploads/1/3/0/7/130740480/5577912.pdfIn PDF document text
- http://files.tabdoughertyart.com/uploads/1/3/1/4/131455141/5852835.pdfIn PDF document text
- http://fobapetov.louthanlab.com/uploads/1/3/2/7/132740748/fasimofi-pafodov-furozitez-gotakurinosef.pdfIn PDF document text
- https://androidappsforme.com/wp-content/uplIn 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/1/0430/6383/6834/files/nevudujowedapuxemuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23535065851.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2664/4125/files/adjective_clause_lesson.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3146/8951/files/jopazuvowumap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6054/4156/files/8916675742.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8595/4208/files/nudavokewodekotubewora.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3425/5271/files/45574157044.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6336/2204/files/nuligowetogatobufu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1510/0822/files/1202668913.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7677/2250/files/nakefufekobavupina.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6422/2101/files/16481752231.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3860/4450/files/singular_and_plural_nouns_worksheets_grade_4.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3208/2594/files/86007061910.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5951/0425/files/cardioversion_farmacologica_y_electrica.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_off00006dc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DC6 | 5164 bytes |
SHA-256: c6b0eea517e4dc2ef0ce0e482d5f19f652de1710dccd5d7ad68ff658002f9e15 |
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font_01_sfnt_off00007f5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F5E | 10000 bytes |
SHA-256: 059e5a6686ffcbe40b0097bca84726e1d1d2f32cb4fa6d06316ac502445ea447 |
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