MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as an HDFC bank pay slip, which is a common lure for phishing or malware delivery. The document body and embedded link structure indicate a deliberate attempt to host numerous links, likely to obscure the final malicious destination. The primary malicious IOC is the redirector URL: https://ttraff.ru/wb?keyword=hdfc%20bank%20pay%20slip%20pdf.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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/wb?keyword=hdfc%20bank%20pay%20slip%20pdf In PDF document text
- http://files.franksrockyhill.com/uploads/1/3/1/4/131437363/2301299.pdfIn PDF document text
- http://files.wildrootsskinbody.com/uploads/1/3/1/4/131437822/zajasolamo_nadekosufun_botoka_xepagokivo.pdfIn PDF document text
- http://files.kim-bella.com/uploads/1/3/1/3/131380786/ef9375b8.pdfIn PDF document text
- http://files.lakewoodmanor.ca/uploads/1/3/0/8/130874668/guzevi-gepitapu.pdfIn PDF document text
- http://files.ecrcme.com/uploads/1/3/1/3/131380889/95b954b848c1ad.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/1/0435/2868/3672/files/jejuki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3240/4380/files/fimilu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6122/2307/files/sylvester_stallone_nude.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6915/2163/files/javascript_iterate_over_object.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5809/4495/files/97473863637.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3507/4465/files/34982600514.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8398/7096/files/19720163145.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7330/5762/files/14992791309.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0378/8959/files/js_empty_function.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6668/7642/files/tuzijudamabuduvepafew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/niwaragevutaxesidep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9655/6191/files/kagefimeziruti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7708/4070/files/luladig.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005d27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D27 | 5320 bytes |
SHA-256: 113566204fc67a71156487544e1fa82eb1ecf70f121514a64487ed7d3c6ae228 |
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font_01_sfnt_off00006f5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F5C | 10248 bytes |
SHA-256: 067aa3694d2a0b32c2802d7b27d2cb5ac25a7c8ea4edaf047e7c1b9da7093ca7 |
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font_02_sfnt_off000092b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92B6 | 16164 bytes |
SHA-256: ebd2804bff382343e08f6a42dc45f69f4e794c08b23908ae60ba78ededae74b1 |
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