MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits a PDF SEO link farm heuristic, indicating a large number of external links, many hosted on Shopify. The ML classifier strongly flagged this PDF as malicious. The primary attack pattern involves luring users through a seemingly innocuous document to a malicious redirector.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=ajax+tutorial+pdf+w3schools In PDF document text
- http://xuled.comprehensivewellnesssolutions.com/uploads/1/3/1/4/131413418/rovivatipazi-botugisuda-pijuput-lipajojudowu.pdfIn PDF document text
- http://lorugefon.ligabytes.net/uploads/1/3/1/4/131408100/zewukesefepin-xetubimasawa-nibiki-semejiwalimud.pdfIn PDF document text
- http://files.costaricalakehouseforsale.com/uploads/1/3/0/9/130969659/kadesujeje_vitapuvivepe_komabokedu_bokijovebetix.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/1/0438/5472/5270/files/59402912700.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4380/7654/files/rajasthani_gana_bhajan_video.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4386/4224/files/microsoft_wifi_direct_virtual_adapter.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7701/8524/files/50677468364.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6214/0826/files/nimususobejuxiniji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6133/0598/files/james_stewart_calculus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6548/3172/files/kifine.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8606/1480/files/ssc_exam_mcq_answer_sheet_2019.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1740/4573/files/osaka_amazing_pass_map.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2358/0830/files/reformation_heritage_kjv_study_bible.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_off00005d6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D6F | 5632 bytes |
SHA-256: fb4ed3e130a81b6f9bf26861a8c714dc18203f843386513908b4040c46d94281 |
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font_01_sfnt_off000070af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70AF | 15648 bytes |
SHA-256: 61fbfa8fe066d6add4dbec42a1743ef30eedb909eb93f6daa911d1572362d9de |
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font_02_sfnt_off0000a21a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA21A | 16076 bytes |
SHA-256: ceb30e69b2a1d6501fe8904d8a8466471eaa529f0958da5583c6585f97c9fab1 |
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