MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to domains associated with SEO link farms. One critical finding indicates a direct link to a known malicious redirector, which is likely intended to lead the user to a malicious site. The document body, though heavily obfuscated, contains a URL that appears to be part of this redirection chain, disguised as a tutorial download.
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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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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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.cc/pify?keyword=ansys+spaceclaim+direct+modeler+tutorial+pdf In PDF document text
- http://files.sarapretelliphotographer.com/uploads/1/3/0/9/130969403/2425128.pdfIn PDF document text
- http://kamawiz.frostwoodinteractive.com/uploads/1/3/1/8/131871505/7067289.pdfIn PDF document text
- http://samef.prestamoscreditoetc.com/uploads/1/3/2/8/132814194/vusizunelobumo-varaser.pdfIn PDF document text
- http://files.cherishedrubies.com/uploads/1/3/1/4/131454505/wabusetexopunaxut.pdfIn PDF document text
- http://files.rachaelbabington.com/uploads/1/3/0/7/130738996/8783888.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0428/0070/9791/files/avesta_persian.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4672/2974/files/43408659964.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4923/8178/files/cahier_de_charge_d_un_site_web_dynamique_pdf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7265/1413/files/cheat_codes_of_gta_vice_city_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0605/7888/files/47138661734.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lekerumukin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9382/6463/files/denujemisopavaved.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7625/5897/files/kidifagaxexa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2528/5798/files/14834391460.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4163/5997/files/44905489453.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1103/7589/files/disenteria_amebiana_pediatria.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3598/4029/files/rutezapanunubut.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005b06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B06 | 5272 bytes |
SHA-256: 7d0baf7469b611fd88044de698958c6930311a1fead7320924632ccf7d1494d6 |
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font_01_sfnt_off00006cd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CD5 | 10228 bytes |
SHA-256: 8dda5972773fcda364897073cefa897fda3e92c6d19770a38ad732d0e4860227 |
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font_02_sfnt_off00008fae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8FAE | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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