MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple links pointing to redirector domains, specifically 'ggtraff.ru', which is flagged as malicious. These links are presented in a way that suggests a free download lure, likely for a game, as indicated by the 'happy wheels swf download android' UTM parameter. The presence of numerous external PDF links also suggests a link farm, a common tactic for SEO manipulation and distributing malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://ggtraff.ru/123?utm_term=happy+wheels+swf+download+android In PDF document text
- https://robavefozaxun.weebly.com/uploads/1/3/4/3/134379548/1890704.pdfIn PDF document text
- https://vavaterojitenoj.weebly.com/uploads/1/3/4/8/134898986/4412062.pdfIn PDF document text
- https://xitukamobem.weebly.com/uploads/1/3/4/6/134643312/fifokewe.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/memul/bringers_of_the_dawn_book.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ce35fbf3-b1dd-4bd2-8329-ddb7d52af8d7/pizex.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cd8bb937-e7f2-457d-9fb8-306bde97413f/88600530119.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc5a99e8ef7301f8b317e6a/t/5fd18220d97b572b89d20c06/1607565857211/my_verizon_pay_bill_residential.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc06b148139af037642cc0d/t/5fc162881972c46e3cd2bfbd/1606509194412/87388854437.pdfIn PDF document text
- https://s3.amazonaws.com/bidivo/words_with_pedal.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/949852f3-54a5-4152-af33-252df1d7df8f/86147398673.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc796cd0d716e027b04e4a8/t/5fcfad1e10aae775717b8771/1607445790283/pamozinidemefuju.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc779c3aa0dc1643a319e47/t/5fd63bd213a48350e80cdf74/1607875538859/dodirip.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc1bcddd26ff1194f799cbf/t/5fcf9d3d7cc0b10a0ad8617a/1607441727156/marco_menu_one_utama.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_off0000cb88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB88 | 5284 bytes |
SHA-256: 3239891bdd490c7dffe931cf8a510d6a6e1ea475e03c9d61e936b6360f2119ac |
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font_01_sfnt_off0000dd92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD92 | 10268 bytes |
SHA-256: 915a03a62297035b49bc98fc867406620fbcdb346eb67d29b9e961e25ac0fc35 |
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