MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/pify?keyword=completed+performance+appraisal+sample+pdf'. The document body, though heavily obfuscated, contains text related to performance appraisals and the URL itself, suggesting a lure. The file also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on cdn.shopify.com, though the primary malicious link is to ttraff.com.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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.com/pify?keyword=completed+performance+appraisal+sample+pdf In PDF document text
- http://files.sagebrushaviation.org/uploads/1/3/1/1/131164009/keretavatakepe.pdfIn PDF document text
- http://files.wooff.ca/uploads/1/3/0/8/130874627/daxotovonugusa_joraba_wosixavimus.pdfIn PDF document text
- http://files.chenowethbairddesign.com/uploads/1/3/1/8/131871894/kawal_fudomur.pdfIn PDF document text
- http://files.kappagammachi.com/uploads/1/3/1/3/131380177/e070b1b37f6d672.pdfIn PDF document text
- http://files.rainbowfarmsmaine.com/uploads/1/3/0/8/130874115/49c4912e.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/1/0429/9263/1962/files/79206465176.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7967/2735/files/61703377603.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3359/9893/files/iterative_depth_first_search.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1817/4107/files/46076643543.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5126/0823/files/godenodegeku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9899/6889/files/nututak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0386/1401/files/nuridaxise.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5586/6263/files/tibopiromuzaralitow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5778/3718/files/35525064129.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5667/6507/files/merofoxopukivamom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0885/2117/files/87437881591.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bararilisubolubudikolumo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7731/2411/files/lumokemuvazogitogejurajaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2567/7982/files/kabary_betsimisaraka.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_off00009a46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A46 | 5208 bytes |
SHA-256: 9ab4502f9eab18c350a83c8df1d572707ba7d589f56446ca0a4e77e92d35cbe0 |
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font_01_sfnt_off0000abdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xABDB | 10272 bytes |
SHA-256: 10b69031e1853b09cc770487dc7531eaaae3768d9d15ed1fb7117ece3cec9906 |
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