MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, with one heuristic identifying it as a PDF SEO link farm and another flagging a link to known malicious redirector infrastructure. The document body contains garbled text but also includes the URL 'https://ttraff.ru/pify?keyword=kiss+the+rain+sheet', which is flagged as malicious. The presence of numerous links, including to a malicious redirector, suggests an attempt to manipulate search engine results or lead 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.ru/pify?keyword=kiss+the+rain+sheet In PDF document text
- http://files.stephenlotus.com/uploads/1/3/1/4/131438308/3668112.pdfIn PDF document text
- http://files.yauponberrypress.com/uploads/1/3/2/6/132683463/4986403.pdfIn PDF document text
- http://dopowa.colorphotography.com/uploads/1/3/0/8/130874359/balov.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/1/0431/2439/2087/files/zufelarikagawuveki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8404/5719/files/rijurewatuzirijatufa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0455/4008/1829/files/moderate_sedation_guidelines_2017.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3852/0997/files/debate_rules_for_college_students.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6988/8920/files/65699356192.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1042/4993/files/doxazelibitoxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4444/5092/files/libro_cerebro_de_pan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4555/2290/files/xivadajeguji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6678/3904/files/actitudes_positivas_y_negativas_en_el_trabajo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/3293/9429/files/envision_math_6th_grade_textbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8684/7905/files/vexolipawe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1322/6139/files/zujamepurigukatenukubupo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7391/1449/files/logitech_m325_driver.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4117/7248/files/jquery_1._7_2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2812/6618/files/murir.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_off000058f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58F9 | 4712 bytes |
SHA-256: c0b8795d24534076aaedc71c3cca38ef6148134d5a17ba0fc667c93312f46213 |
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font_01_sfnt_off000068ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68EC | 10092 bytes |
SHA-256: 0d95bcfe1c021d5d33358b3ca81e1734d5fadd8845f06db7d7fba9937f2539b8 |
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