MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a redirector, which in turn points to a large number of PDFs hosted on Shopify. This suggests a link farm or SEO poisoning tactic to drive traffic to malicious content. The presence of a 'download' button further supports the lure. The primary malicious URL identified is https://ttraff.cc/pify?keyword=simplification+and+approximation+questions+for+bank+po+pdf+download.
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.cc/pify?keyword=simplification+and+approximation+questions+for+bank+po+pdf+download In PDF document text
- http://vufugad.ptaccounting.net/uploads/1/3/2/6/132696323/wavulus_felariwawasi_vepubusakelilej_sitesumi.pdfIn PDF document text
- http://manote.yankee-woodworks.com/uploads/1/3/1/3/131382248/5325350.pdfIn PDF document text
- http://files.websitetemplatesdesign.com/uploads/1/3/0/9/130969297/kadixefuled-kivobotobaj-kepeburoxofoba-mamuwufor.pdfIn PDF document text
- http://files.dunainwoods.com/uploads/1/3/0/8/130814830/3274228.pdfIn PDF document text
- http://files.mjankauski.com/uploads/1/3/1/3/131384575/lowumavaxebalofekole.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/1/0436/5071/1705/files/sugidagegap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1859/8038/files/nuvid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1816/6167/files/caliper_personality_test.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3824/5017/files/xosujijikor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6470/4662/files/vibavowowobujelazigarasix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3431/9776/files/flamenco_guitar_lesson_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2560/2472/files/87701277023.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8508/4310/files/56388458740.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9186/0383/files/28245280695.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5604/4951/files/pajokuriramokumazuxuxu.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_off00006309.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6309 | 5776 bytes |
SHA-256: 9ae67fd689e877d3a39e338159ae3c0916ffcc8c52a21ebf655e9b0a64099ac7 |
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font_01_sfnt_off0000768d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x768D | 10360 bytes |
SHA-256: 989388fb8e88b6d5063a0e47df08c9bfa3d9964fdd7c36e56bdd48e052f7208a |
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font_02_sfnt_off000099bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x99BC | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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