MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to suspicious domains and are likely part of a link farm designed to improve search engine rankings for malicious content. One critical heuristic identified a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to academic topics and URLs, suggesting a lure to trick users into clicking malicious links disguised as educational resources.
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.me/wix?keyword=ap+biology+lab+1+diffusion+and+osmosis+answers In PDF document text
- http://files.pictonlittletheatre.com/uploads/1/3/1/4/131436981/rafimixexegitit.pdfIn PDF document text
- http://dejikafum.tygoyachts.nl/uploads/1/3/1/3/131380600/ecdd15b83979292.pdfIn PDF document text
- http://vipagire.fourcornersboardofrealtors.net/uploads/1/3/1/6/131636813/f905a10f124f.pdfIn PDF document text
- http://ferokatiw.maizalrestaurant.com/uploads/1/3/2/7/132710714/biwojonagadoze-rarelazufil-fobemuluzuzata.pdfIn PDF document text
- http://files.alabamacentralrailway.com/uploads/1/3/0/9/130969265/7679675.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/1/0432/6231/2616/files/nfl_coaches_hot_seat_bleacher_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0472/3349/files/argument_essay_example.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7144/6939/files/16509098552.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0740/9310/files/79108124790.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2021/4681/files/fekelil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2598/7734/files/belivigumanavogajewive.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2571/0756/files/homemade_dovetail_jig_template.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8494/8380/files/jewapi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0462/3790/9141/files/beatles_love_album.pdfIn PDF document text
- https://dcf06979-ce69-437d-af60-7f42e18f65f3.filesusr.com/ugd/b6aaa0_6ac8078d20f44ba0948b0e7b9ea3ab6d.pdf?index=trueIn PDF document text
- https://f026e5c2-a75a-48ea-be42-dcc32083201b.filesusr.com/ugd/01f9b9_1689b3c1d60c4a4293d9095d242213f4.pdf?index=trueIn PDF document text
- https://54c25809-dc51-47b6-abcc-73e773f8efe0.filesusr.com/ugd/72b0e7_151733c6a2e6481b9a84f524ea5b9a85.pdf?index=trueIn PDF document text
- https://396469f1-b1f3-47e8-ac3f-aead07d06522.filesusr.com/ugd/02beb7_8b843a564ebc4231b12584433a6970bf.pdf?index=trueIn PDF document text
- https://9e212605-6d6e-4b21-b6f8-c3fcc768e954.filesusr.com/ugd/3eed2b_b5b6ab67704a407596d8e3c78fc237cc.pdf?index=trueIn 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_off000079cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79CD | 5736 bytes |
SHA-256: bfe56ac6ccd9d8898a391328606839909cb11284eb7e5e96e995ea499061242c |
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font_01_sfnt_off00008d58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D58 | 10796 bytes |
SHA-256: d1f2efdb29d40737f15c62ab4a1fa4ca9c5622218163c101d86b2ff2535930a5 |
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