MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=analog+to+digital+converter+block+diagram+pdf'. This link is presented within the document body, suggesting a social engineering lure to trick the user into clicking it. The file also exhibits characteristics of a PDF SEO link farm, with numerous links to external PDFs, some of which are hosted on Shopify. The primary malicious IOC is the ttraff.com 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=analog+to+digital+converter+block+diagram+pdf In PDF document text
- http://files.region2soccer.org/uploads/1/3/1/8/131871919/9080219.pdfIn PDF document text
- http://files.soulsurvivorsband.com/uploads/1/3/1/4/131483153/zotovojebago_sunuw_gatik.pdfIn PDF document text
- http://fufagaj.srmadr.com/uploads/1/3/1/4/131406082/lekizizagigi_kexurulifevum_napabi_mebezasef.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/1/0435/5771/6119/files/addition_and_subtraction_with_regrouping_word_problems.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4687/1974/files/66901643036.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mipin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7560/0535/files/vataradigikijidosafevixat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6183/0037/files/wowekozuwolabaxipit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6556/3549/files/17691670407.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5026/1911/files/putting_on_sunglasses_emoji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7750/0056/files/30178109256.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3271/5163/files/fojutorivituxizejabu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/5561128363.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/63912397784.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_off0000c350.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC350 | 5552 bytes |
SHA-256: 9a7ab3279ac054f1db42611475106a29cf28cec68c10f6ee42256908eb7f5733 |
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font_01_sfnt_off0000d61d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD61D | 11228 bytes |
SHA-256: 36832730a116c60131fc0147bbb2b32d98f42912b7ae728addd1d8776cb3a26c |
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font_02_sfnt_off0000fc65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC65 | 16064 bytes |
SHA-256: 77905ff9885e60cfff17cf33ad9da418757c231635603c6b4cc239c84c233917 |
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