MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by multiple heuristics and a machine learning classifier, specifically flagged as a redirector and link farm. It contains numerous embedded URLs, including a primary redirector at `https://ttraff.ru/wb?keyword=acs880-01%20hardware%20manual%20pdf`, which likely leads to further malicious content or phishing pages. The document body, though partially obfuscated, also contains these URLs, reinforcing the lure of downloading a hardware manual to distribute malware.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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ClamAV: Pdf.Dropper.Agent-9242552-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Dropper.Agent-9242552-0
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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.ru/wb?keyword=acs880-01%20hardware%20manual%20pdf In PDF document text
- http://files.shop-black-moon.com/uploads/1/3/1/4/131409055/wagazalesofo_newepavewerediz.pdfIn PDF document text
- http://files.gabrielnavarrojr.com/uploads/1/3/0/8/130874501/682628.pdfIn PDF document text
- http://files.paradisekennelnb.ca/uploads/1/3/2/6/132681596/dadujixisawojo_miwaz_digam_megoxape.pdfIn PDF document text
- http://files.missjordansclassroom.com/uploads/1/3/0/7/130776841/5406440.pdfIn PDF document text
- http://files.learningessentialsnc.com/uploads/1/3/1/6/131636700/foxaxoluzujuzuruni.pdfIn PDF document text
- http://files.nancysniftynotes.com/uploads/1/3/1/3/131398253/9743245.pdfIn PDF document text
- http://files.brookekellyband.com/uploads/1/3/1/1/131163563/ab39a0d6c35.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://vurivul.files.wordpress.com/2020/06/41965796522.pdfIn PDF document text
- https://raxoxatubu.files.wordpress.com/2020/06/rukuli.pdfIn PDF document text
- https://sedawavurete.files.wordpress.com/2020/06/zenij.pdfIn PDF document text
- https://fakesuni.files.wordpress.com/2020/07/8642153592.pdfIn PDF document text
- https://fibozawo.files.wordpress.com/2020/06/depojovumisafupidokibub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mijafovaginidobu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pizegavegip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wojilezufaguxulidumusad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kewosa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/38746106010.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tivaluzisezulumavolo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jepomosojavadoji.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005d1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D1E | 5540 bytes |
SHA-256: ceb6f7036fad4ea9431586fda0670793b284914c2cb81ec2e61a5a5601cd1a66 |
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font_01_sfnt_off00006fd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FD5 | 14332 bytes |
SHA-256: 082be22aea14292d4568d574b4ee5b271266d00f35c721fd8d2d224a9caa05b2 |
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