MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to a 'shortlisted candidate' and a URL that appears to be a lure. The primary malicious URL identified is https://ttraff.com/pify?keyword=cdfipb+shortlisted+candidate+2020+pdf, which likely leads to further malicious content. Another heuristic identified a link farm of PDF files hosted on cdn.shopify.com, with the first URL being https://cdn.shopify.com/s/files/1/0428/1185/0918/files/rivotezaxorizolurem.pdf.
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.com/pify?keyword=cdfipb+shortlisted+candidate+2020+pdf In PDF document text
- http://files.markbeasley.net/uploads/1/3/1/4/131407539/5c17b4.pdfIn PDF document text
- http://files.twohandsrescue.org/uploads/1/3/1/4/131406258/f675790.pdfIn PDF document text
- http://files.mountainairdance.com/uploads/1/3/1/3/131382078/fe694ad8.pdfIn PDF document text
- http://files.coopercatgallery.com/uploads/1/3/0/7/130739962/4754771.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/1/0428/1185/0918/files/rivotezaxorizolurem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9733/3664/files/21781607978.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5032/0540/files/39877047486.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/54171278856.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7880/2846/files/gopotezivebolan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2896/2715/files/81499812485.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8879/6065/files/41050364664.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8647/8489/files/tangled_i_see_the_light_lyrics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8554/4089/files/tovixikufunenogefo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6292/7263/files/474475553.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0817/0918/files/53728591750.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
🗂 Part of campaign:
mountainairdance.com
7 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006543.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6543 | 5560 bytes |
SHA-256: e41ea5203af4067417d92b47b322652d611a3609fc85b2bb373c552c7db95a2b |
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font_01_sfnt_off00007819.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7819 | 10252 bytes |
SHA-256: 69019cbd6d2a8a8bfa2e85dbbeb5d16bb4917599656258b59af4fd479d1bc15d |
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