MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF document contains a large number of embedded links, many of which point to a link farm designed for SEO manipulation. One prominent link redirects to a known malicious infrastructure at 'ttraff.ru', suggesting a phishing or malware distribution attempt. The document body, though partially corrupted, contains the phrase "Autodesk revit 2014 tutorials pdf free download" and the malicious URL, reinforcing the lure.
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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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.ru/pify?keyword=autodesk+revit+2014+tutorials+pdf+free+download In PDF document text
- http://files.stitchmastersltd.com/uploads/1/3/0/8/130813923/4f5fc437a4.pdfIn PDF document text
- http://files.theteccas.com/uploads/1/3/1/4/131453946/ruzuj.pdfIn PDF document text
- http://files.edvid.com/uploads/1/3/1/4/131438692/3983146.pdfIn PDF document text
- http://files.hamiltonpinekennels.com/uploads/1/3/0/7/130775347/muwuxata.pdfIn PDF document text
- http://files.fasteddiesworldofspeed.com/uploads/1/3/1/8/131856365/8492d7d1b.pdfIn PDF document text
- http://files.ladymaeimpressions.com/uploads/1/3/1/3/131379434/ba398.pdfIn PDF document text
- http://files.tinagutierrezartsphotography.com/uploads/1/3/0/7/130775383/remax-taxopugazaledu-fuluxibejurifuj-lavosiraleset.pdfIn PDF document text
- http://files.proyecto1867.com/uploads/1/3/2/3/132302913/mozolejemi-vexiramiga-leselu.pdfIn PDF document text
- http://files.singersandactorsworkshop.com/uploads/1/3/2/7/132740218/mubazaxumadajag.pdfIn PDF document text
- http://files.metalmeltdown.com/uploads/1/3/0/7/130775755/36f932b68a.pdfIn PDF document text
- http://files.writepathint.com/uploads/1/3/1/4/131408537/topazexofaro.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://melixoxozure.files.wordpress.com/2020/06/tisejafuwotilebojokeruna.pdfIn PDF document text
- https://nilalazage.files.wordpress.com/2020/07/rofilela.pdfIn PDF document text
- https://sotarobimubu.files.wordpress.com/2020/06/fozenipugetiluza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lunizededalusabunis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/7074967355.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jedufejaselikaruratemop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8000/0423/files/78834755587.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8945/3473/files/zetapisifolowus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/baxumedufimoval.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_off00005fb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FB8 | 5536 bytes |
SHA-256: 49b9a66256263bf3675a66bdcd53bb010a7e8ff3218536efbe205d4d35e9a80f |
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font_01_sfnt_off000072ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72BA | 10680 bytes |
SHA-256: 2dc40270543b1d71ed863638298d54203b3ef65b64858ccb562d7f18ab2fa8c2 |
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