MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=buy+railway+platform+ticket+online'. The document body also contains this URL, suggesting a social engineering lure related to purchasing railway tickets. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm designed to manipulate search engine results or distribute further malicious content. The ML classifier also strongly flagged this PDF as malicious.
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.cc/pify?keyword=buy+railway+platform+ticket+online In PDF document text
- http://zagidi.archivedsanfrancisco.com/uploads/1/3/1/0/131070493/1248407.pdfIn PDF document text
- http://fukor.pouredcandle.com/uploads/1/3/2/6/132681393/73c46b8225.pdfIn PDF document text
- http://files.thekissroom.com/uploads/1/3/1/4/131452867/72e2c29979fa.pdfIn PDF document text
- http://files.crawfordphoto.org/uploads/1/3/1/8/131856476/rululozoxeg-wamosaje-kirono-xubeza.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/1/0431/8999/3636/files/zazizobo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5880/7455/files/72126345400.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7935/8869/files/carnatic_music_notes_in_telugu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7808/9878/files/materi_belajar_bahasa_korea.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9689/9733/files/41817312905.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6566/1853/files/kevin_gates_excuse_me_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6553/0785/files/fundamentals_of_logic_design_7th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6186/2810/files/hazardous_materials_technician_1st_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1007/2481/files/99754736530.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0166/5960/files/3442807511.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9265/6799/files/33527067528.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000061e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61E5 | 4272 bytes |
SHA-256: 38b24d9691bf1da05907faa8fa7d5790798c27e916aeb019111ac6fe7bb7376a |
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font_01_sfnt_off000070e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70E8 | 5292 bytes |
SHA-256: 882278223a30bfa45b7b9d10bb145930bbdaba2b54af5c82e17c5ecce90b0fe2 |
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font_02_sfnt_off000082ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82EC | 10512 bytes |
SHA-256: eb923b2b61d3a9322fbba452750f4d1b189c696d5cea26e098bddc7021c19565 |
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font_03_sfnt_off0000a71c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA71C | 16164 bytes |
SHA-256: ead7fd593d7f5feef6f283420e9b55f8fa4552f107c64b0063d474dd3355abd8 |
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