MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is used to obscure the final destination. The document body, though heavily obfuscated, contains the same malicious redirector URL and a benign-looking URL, likely intended as a lure. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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.
-
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.
-
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.cc/pify?keyword=mastering+biology+chapter+5+test+answers
- http://files.goldenboxbooks.com/uploads/1/3/1/4/131438582/wakekekutogekavifugo.pdf
- http://files.darkrisingseries.com/uploads/1/3/0/7/130739747/kejatogadis.pdf
- https://cdn.shopify.com/s/files/1/0433/5511/1589/files/bisavafudedutugazizixa.pdf
- https://cdn.shopify.com/s/files/1/0431/7170/9092/files/zuros.pdf
- https://cdn.shopify.com/s/files/1/0434/3726/0966/files/saint_augustine_confessions.pdf
- https://cdn.shopify.com/s/files/1/0431/8992/8099/files/65385294777.pdf
- https://cdn.shopify.com/s/files/1/0428/9354/1535/files/how_to_make_a_jukebox_in_minecraft.pdf
- https://cdn.shopify.com/s/files/1/0432/0106/9220/files/best_action_games_for_windows_10.pdf
- https://cdn.shopify.com/s/files/1/0428/3708/2271/files/kuzimosejobuga.pdf
- https://cdn.shopify.com/s/files/1/0433/6323/8056/files/29634780682.pdf
- https://cdn.shopify.com/s/files/1/0435/4827/8935/files/94200377927.pdf
- https://cdn.shopify.com/s/files/1/0431/2501/4684/files/redarujimasudusof.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005731.bin27372e89d8c63c02771f2b334f805b9f5e133ebeb1a0184ef602840fa5eb5ede |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5731 | 5660 bytes |
font_01_sfnt_off00006a86.binb444ecd1347eb0150e805042fb2f69bfc1ca466952d12383fa56e653c4144eef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A86 | 9988 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.