MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, suggests a lure related to web development templates. The presence of a link farm and a high ML classifier score further indicate malicious intent, likely for phishing or malware distribution.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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.ru/pify?keyword=template+html+css+bootstrap In PDF document text
- http://files.libertymerchandise.org/uploads/1/3/0/7/130776511/ganejotaxijuzadem.pdfIn PDF document text
- http://files.oiim.net/uploads/1/3/2/6/132680986/sojuva.pdfIn PDF document text
- http://files.swarthmorehorticulturalsociety.org/uploads/1/3/1/4/131438038/tobalusib_minakotow_viwofeniwute.pdfIn PDF document text
- http://files.burlinistudio.com/uploads/1/3/2/7/132740787/lominekoreda.pdfIn PDF document text
- http://files.rehobothconcertband.org/uploads/1/3/0/9/130969825/7040228.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/1/0434/7396/1125/files/mududovedepagi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4916/4693/files/fudaberinuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6410/6901/files/6719930239.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2868/3674/files/99330583260.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8499/7025/files/padipibajikaxujeviravarew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3884/2779/files/18355102616.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rinavupomun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8542/2997/files/42579239911.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5103/0430/files/8632293819.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7529/7689/files/giwekokexipu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9421/1750/files/48569323394.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1729/0406/files/gezurifaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7141/5196/files/59382065437.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_off0000887b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x887B | 4896 bytes |
SHA-256: f8541661a0da3fd459bc1a441dc39d9cfe956061c3db2e6d14b160e1c94fe0b7 |
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font_01_sfnt_off0000990f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x990F | 10360 bytes |
SHA-256: b538790fd00fc79d4a3284831af6e7439f2ba6d82289c4aebfafdba2d1741b30 |
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