MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many of which point to a redirector service that is known to host malicious content. The document body, though heavily obfuscated, contains text that appears to be a lure for an 'engineering drawing handbook', likely intended to trick users into clicking the malicious links. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
-
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.
-
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.
-
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=engineering+drawing+handbook+hb7+pdf In PDF document text
- http://files.qualitycollectibletreasures.com/uploads/1/3/1/1/131164425/2472437.pdfIn PDF document text
- http://files.narcabuserecoverysupport.com/uploads/1/3/1/6/131606813/pivira.pdfIn PDF document text
- http://files.abigailgallagherportfolio.org/uploads/1/3/1/4/131406610/b5ce0.pdfIn PDF document text
- http://files.mingusperformingarts.com/uploads/1/3/2/8/132814930/8037984.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/1/0439/3995/4856/files/algebraic_long_division_worksheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0165/1105/files/pogo_games_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9052/5849/files/47243032529.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7435/5351/files/10704353223.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4162/8053/files/2846997871.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3131/4077/files/57429869395.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4910/6073/files/94786279879.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5109/6993/files/38615157046.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5531/7149/files/network_access_control.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7341/3028/files/wujoxatafozigolatusisem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1080/8217/files/bisef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8153/9489/files/68668214918.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8196/5461/files/gizej.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000068f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68F8 | 15020 bytes |
SHA-256: fa8acb4a4931a674f6990f75f9f8d5e7034b7b299c8788300dfae8ff7e102bc3 |
|||
font_01_sfnt_off0000991e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x991E | 5136 bytes |
SHA-256: ba69e85841181ae8d3bdb1478cdaf4e10de409ffeaeb625ed18a0b86dd3bd238 |
|||
font_02_sfnt_off0000aa94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA94 | 10312 bytes |
SHA-256: 3b30a58f84af5bb478503b3a53de93606546dab970b47631429a333304f80e26 |
|||
font_03_sfnt_off0000cddb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDDB | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.