MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded links, one of which, 'https://ttraff.com/pify?keyword=hdfc+bank+education+loan+application+form+pdf', is identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Hdfc bank education loan application form pdf', suggesting a phishing lure. The presence of a large number of external PDF links, many hosted on cdn.shopify.com, indicates a link farm designed to obscure the malicious redirector.
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.com/pify?keyword=hdfc+bank+education+loan+application+form+pdf In PDF document text
- http://files.lh4biz.com/uploads/1/3/0/7/130739779/wefubinomuwexake.pdfIn PDF document text
- http://files.khairullahrahim.com/uploads/1/3/1/6/131606405/cf11bda2539d.pdfIn PDF document text
- http://files.tacomasbestpiercing.com/uploads/1/3/0/7/130776483/kelitozilu_xamupu_xagazipepavoji_rebefodoxapiwe.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vabagibad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1261/0472/files/67861010239.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0441/8459/files/acls_ecg_rhythms.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2490/7414/files/6235286544.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8951/7973/files/xefusibajekajafazeguf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8995/9843/files/manualidades_de_reciclaje_gratis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8385/7053/files/92547941538.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9541/7237/files/kizemugifoku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6866/1660/files/tofiketuminuxosapenoxal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5698/8317/files/gulewekejewasituzabowas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nazowexoratusitufunu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9282/8579/files/tugubozexegozorovowurazun.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006e1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E1D | 5168 bytes |
SHA-256: 4797418ec0aa1691aed4a7fba10e1dae724e2654f7d6ef204c03d156fd10e823 |
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font_01_sfnt_off00007f91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F91 | 10252 bytes |
SHA-256: e66c04ea7a268ce2aa516412aca7d33cf5e1936555eeced6295b6e7ca0ab5abb |
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font_02_sfnt_off0000a2a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA2A0 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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