MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a mass of external links, many of which point to benign Shopify URLs, but one critical heuristic identified a link to a known malicious redirector. The document body, though heavily obfuscated, contains the string 'Spreadsheet compare 2019' and the malicious URL 'https://ttraff.ru/pify?keyword=spreadsheet+compare+2019'. This suggests a lure to trick users into downloading potentially malicious content. The presence of a 'download button' heuristic further supports this phishing-like attack pattern.
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.ru/pify?keyword=spreadsheet+compare+2019 In PDF document text
- http://dabowa.creedpaintings.com/uploads/1/3/1/6/131606069/niwitika.pdfIn PDF document text
- http://files.teressamediumreadings.com/uploads/1/3/0/7/130775952/subizidaba-lodozusixosimup-kumefixar.pdfIn PDF document text
- http://files.whizkidzfun.com/uploads/1/3/2/7/132740249/gikuserafasonawilip.pdfIn PDF document text
- http://razegegak.mcgilltennis.com/uploads/1/3/0/7/130776457/mowavugifofobawe.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0435/6302/4547/files/baby_shark_piano_sheet_music_boss.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9739/1261/files/98588048848.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/7618/5253/files/materiales_compuestos_aeronautica.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4311/0564/files/all_d_d_3._5_books.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0460/2416/3487/files/kisumokofedosagamemego.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6464/7077/files/etiologia_del_cancer_de_estomago.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7618/2426/files/machine_design_5th_edition_norton.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0004/5469/files/85914752160.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6193/6282/files/96238699336.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2726/5693/files/jexefedimojeburinafij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4096/3751/files/sepon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4907/4336/files/28346758442.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009327.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9327 | 5500 bytes |
SHA-256: e57141c127d2aa0d7b7e2e11b2ab5801280eff10b74373bd05cb7a77a2211ecb |
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font_01_sfnt_off0000a5ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA5CE | 11684 bytes |
SHA-256: a33b766c66caf481b5b2b1b363f7a2037933f9be1fbb0b06b73a08ea4e59dfef |
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font_02_sfnt_off0000cc30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC30 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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