MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded URLs, with a critical heuristic identifying a link to a known malicious redirector infrastructure at https://ttraff.com/pify?keyword=eylf+outcomes+cheat+sheet. The document body, though heavily obfuscated, contains text suggesting it is a "cheat sheet" related to "Eylf outcomes", likely a lure to entice users to click the malicious link. The ML classifier also strongly indicated maliciousness.
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=eylf+outcomes+cheat+sheet In PDF document text
- http://zakizupi.uscequestrian.org/uploads/1/3/1/6/131606407/xewaja.pdfIn PDF document text
- http://files.michellecobbin.co.uk/uploads/1/3/2/7/132741334/8055846.pdfIn PDF document text
- http://tegidojog.salomonk.com/uploads/1/3/0/7/130776271/30940f677601c.pdfIn PDF document text
- http://files.bbbstraighttalksports.com/uploads/1/3/1/1/131164153/xividefasuj_riliduban_pifoje_jijurumikomorif.pdfIn PDF document text
- http://silib.mdnamo.org/uploads/1/3/2/8/132816202/375aa8a8fc.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/1/0437/5884/6109/files/fazejaxomesobowa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4334/8892/files/54209340641.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4757/4949/files/fezopiwugeduwivive.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1077/5464/files/arma_3_cheat_menu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9508/9559/files/play_dig_dug_online.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4190/7110/files/91832738369.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9105/8078/files/84137519359.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7159/4911/files/lotadimudelorokovurixam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4431/5040/files/fijevigiroxo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2794/5889/files/world_cultures_a_global_mosaic.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6265/6152/files/activities_of_daily_living_roper_logan_and_tierney.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6099/9830/files/video_facebook_dengan_url.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4994/3202/files/nice_guidelines_groin_hernia.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:
bbbstraighttalksports.com
6 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006a22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A22 | 5084 bytes |
SHA-256: fd40c1a376867deb2a1336a01ff2def07dcf0ec71918f1a7feacb1caef9a6186 |
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font_01_sfnt_off00007b5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B5D | 10012 bytes |
SHA-256: a60a55e15797a5dd73e7a94a076244070cff59a03561e399e674570f4de2fbb2 |
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