MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link that redirects to a known malicious domain (ttraff.com). The document body, though heavily obfuscated, suggests a lure related to 'Air force previous year paper pdf' and includes a call-to-action phrase. The presence of a link farm with numerous Shopify URLs, one of which is also identified as a potential redirector, further supports a malicious intent to drive traffic to malicious infrastructure.
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.com/pify?keyword=air+force+previous+year+paper+pdf In PDF document text
- http://files.raglandclay.com/uploads/1/3/1/8/131857465/manidesorumobod.pdfIn PDF document text
- http://files.castawaycottagefl.com/uploads/1/3/0/7/130738657/zesokulunin.pdfIn PDF document text
- http://files.sinaitoys.com/uploads/1/3/1/4/131406182/pufon-rubasefemu-kixixifug-muxujofef.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6368/0932/files/luwekejubibabeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4775/3640/files/jemof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7794/1913/files/5107223808.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1901/0201/files/jalorokudajek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6640/9639/files/20752034659.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2318/7614/files/miparimuziv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3131/4077/files/39076799153.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9972/4702/files/dikuwi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8684/7905/files/37493041959.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/2857609843.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9002/5375/files/77859471257.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6509/8908/files/tavubizakuf.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_off00006c6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C6B | 4964 bytes |
SHA-256: b4ae37753223323d1140c7838890be9a035e0d89de5d8303a846f7eee3ccb861 |
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font_01_sfnt_off00007d66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D66 | 10324 bytes |
SHA-256: bf321b8c9178e203da2a0e3d3f0c70994a41e1182509858096bf8fd51630011e |
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font_02_sfnt_off0000a0b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA0B1 | 2832 bytes |
SHA-256: a12908a88df35a7e9eb57470e9a94a806bb52df392ce88a62d07cba2b79b9044 |
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